People Search Phones 4XX 443

443 Area Code

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Area Code info

Where is Area Code 443?

The 443 area code is located in the state of Maryland . 443 is one of the 357 three-digit telephone area codes in the USA. It covers roughly 920,599 unique phone numbers and 6,164,660 individuals near the cities of Baltimore, Annapolis, Arbutus in our database.

Cities in the 443 Area Code

Other cities in area code 443 include

443 Area Code Time Zone

This time zone is known as the Eastern Standard Time (EST). The current time in this time zone is 4:45 AM on Feb 28, 2024.

In Service Date: Jun 1, 1997

443 Area Code Demographics

Statistics based on US Census data for the 443 area code

39.7

Median Age

$95k

Median Income

$398.1k

Median Home Value

6.2M

Total People

Nearby Area Codes

Reverse Phone Lookup 443-XXX-XXXX

Find out who the 443 phone number is registered under. Our free reverse phone lookup allows you to search records associated with a landline or cell phone number to help quickly identify who’s calling or texting you.

Nuwber will search through millions of phone records, including both landline and cell phone numbers. Being one of the fastest services available, we provide free reverse phone lookup results in seconds to let you know if we’ve found any matching records, such as name, address, and more.

Browse Phone Number Prefixes in the 443 Area Code

Landlines

706

Wireless Prefixes

89

Carriers

38

Countries

16

ZIP Codes

227

Prefix

(443) 200

County

Baltimore

City

Woodlawn

Carrier

Xo Communications

Prefix

(443) 201

County

Carroll

City

Westminster

Carrier

Bandwidth.com

Prefix

(443) 202

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 203

County

Anne Arundel

City

West River

Carrier

Verizon

Prefix

(443) 204

County

Baltimore

City

Pikesville

Carrier

-

Prefix

(443) 205

County

Dorchester

City

Cambridge

Carrier

Level 3

Prefix

(443) 206

County

Cecil

City

Perryville

Carrier

Coretel

Prefix

(443) 207

County

Cecil

City

Elkton

Carrier

T-Mobile

Prefix

(443) 208

County

Baltimore

City

Baltimore

Carrier

-

Prefix

(443) 209

County

Harford

City

Havre De Grace

Carrier

Cavalier

Prefix

(443) 210

County

Wicomico

City

Salisbury

Carrier

Sprint

Prefix

(443) 211

County

-

City

Community Support And Referral Services

Carrier

-

Prefix

(443) 212

County

Baltimore

City

Sparks-Glencoe

Carrier

Us Lec

Prefix

(443) 213

County

Baltimore

City

Pikesville

Carrier

Us Lec

Prefix

(443) 214

County

Anne Arundel

City

Annapolis

Carrier

Broadvox

Prefix

(443) 215

County

Kent

City

Chestertown

Carrier

Coretel

Prefix

(443) 216

County

Baltimore

City

Dundalk

Carrier

Level 3

Prefix

(443) 217

County

Anne Arundel

City

Annapolis

Carrier

Coretel

Prefix

(443) 218

County

Baltimore

City

Worthington

Carrier

Global Crossing

Prefix

(443) 219

County

Baltimore

City

Parkville

Carrier

Bandwidth.com

Prefix

(443) 220

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 221

County

Anne Arundel

City

Annapolis

Carrier

Level 3

Prefix

(443) 222

County

Baltimore

City

Worthington

Carrier

Xo Communications

Prefix

(443) 223

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 224

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 225

County

Dorchester

City

Cambridge

Carrier

Sprint

Prefix

(443) 226

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 227

County

Cecil

City

Port Deposit

Carrier

Wide Voice

Prefix

(443) 228

County

Baltimore

City

Chase

Carrier

Level 3

Prefix

(443) 229

County

Anne Arundel

City

Severna Park

Carrier

Cavalier

Prefix

(443) 230

County

Anne Arundel

City

Odenton

Carrier

Local Access

Prefix

(443) 231

County

Baltimore

City

Essex

Carrier

Local Access

Prefix

(443) 232

County

Wicomico

City

Willards

Carrier

Cavalier

Prefix

(443) 233

County

Dorchester

City

Vienna

Carrier

Level 3

Prefix

(443) 234

County

Worcester

City

Snow Hill

Carrier

Comcast

Prefix

(443) 235

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 236

County

Harford

City

Cardiff

Carrier

Coretel

Prefix

(443) 237

County

Calvert

City

North Beach

Carrier

Coretel

Prefix

(443) 238

County

Baltimore

City

Parkton

Carrier

Terra Nova Telecom

Prefix

(443) 239

County

Talbot

City

Easton

Carrier

Sprint

Prefix

(443) 240

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 241

County

Carroll

City

Westminster

Carrier

Global Naps

Prefix

(443) 242

County

Baltimore

City

Sparrows Point

Carrier

Bandwidth.com

Prefix

(443) 243

County

Harford

City

Fallston

Carrier

Verizon Wireless

Prefix

(443) 244

County

Carroll

City

Westminster

Carrier

At&T Mobility

Prefix

(443) 245

County

Cecil

City

Elkton

Carrier

Cavalier

Prefix

(443) 246

County

Cecil

City

Elkton

Carrier

Coretel

Prefix

(443) 247

County

Carroll

City

Union Bridge

Carrier

Ctc Communications

Prefix

(443) 248

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 249

County

Queen Anne's

City

Stevensville

Carrier

At&T

Prefix

(443) 250

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 251

County

Baltimore

City

Catonsville

Carrier

Local Access

Prefix

(443) 252

County

Cecil

City

Perryville

Carrier

Peerless Network

Prefix

(443) 253

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 254

County

Anne Arundel

City

Annapolis

Carrier

T-Mobile

Prefix

(443) 255

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 256

County

Cecil

City

North East

Carrier

Centurylink

Prefix

(443) 257

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 258

County

Talbot

City

Easton

Carrier

Peerless Network

Prefix

(443) 259

County

Howard

City

Columbia

Carrier

Verizon Communications

Prefix

(443) 260

County

Wicomico

City

Salisbury

Carrier

Verizon Communications

Prefix

(443) 261

County

Anne Arundel

City

Severna Park

Carrier

Us Lec

Prefix

(443) 262

County

Queen Anne's

City

Centreville

Carrier

Idt America

Prefix

(443) 263

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 264

County

Baltimore

City

Pikesville

Carrier

Xo Communications

Prefix

(443) 265

County

Baltimore

City

Fork

Carrier

Bandwidth.com

Prefix

(443) 266

County

Howard

City

Glenwood

Carrier

Bandwidth.com

Prefix

(443) 267

County

Harford

City

Darlington

Carrier

Bandwidth.com

Prefix

(443) 268

County

Baltimore

City

Baltimore

Carrier

Coretel

Prefix

(443) 269

County

Baltimore

City

Towson

Carrier

Xo Communications

Prefix

(443) 270

County

Anne Arundel

City

Glen Burnie

Carrier

Paetec

Prefix

(443) 271

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 272

County

Baltimore

City

Randallstown

Carrier

Comcast

Prefix

(443) 273

County

Baltimore

City

Reisterstown

Carrier

Comcast

Prefix

(443) 274

County

Anne Arundel

City

Severn

Carrier

Verizon Communications

Prefix

(443) 275

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 276

County

Howard

City

Columbia

Carrier

Verizon

Prefix

(443) 277

County

Carroll

City

Sykesville

Carrier

Sprint

Prefix

(443) 278

County

Baltimore

City

Baltimore

Carrier

Paetec

Prefix

(443) 279

County

Baltimore

City

Towson

Carrier

Verizon

Prefix

(443) 280

County

Carroll

City

Sykesville

Carrier

Level 3

Prefix

(443) 281

County

Baltimore

City

Cockeysville

Carrier

Bandwidth.com

Prefix

(443) 282

County

Kent

City

Chestertown

Carrier

Sprint

Prefix

(443) 283

County

Howard

City

Columbia

Carrier

Paetec

Prefix

(443) 284

County

Howard

City

Waterloo 238

Carrier

Xo Communications

Prefix

(443) 285

County

Howard

City

Columbia

Carrier

Xo Communications

Prefix

(443) 286

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 287

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 288

County

Howard

City

Ellicott City

Carrier

Verizon

Prefix

(443) 289

County

Carroll

City

Westminster

Carrier

Verizon Business

Prefix

(443) 290

County

Baltimore

City

Parkville

Carrier

Level 3

Prefix

(443) 291

County

Carroll

City

Hampstead

Carrier

Level 3

Prefix

(443) 292

County

Anne Arundel

City

Crofton

Carrier

Comcast

Prefix

(443) 293

County

Carroll

City

Westminster

Carrier

Global Crossing

Prefix

(443) 294

County

Anne Arundel

City

West River

Carrier

Global Crossing

Prefix

(443) 295

County

Calvert

City

Prince Frederick

Carrier

Us Lec

Prefix

(443) 296

County

Howard

City

Waterloo 238

Carrier

Global Crossing

Prefix

(443) 297

County

Baltimore

City

Arbutus

Carrier

Metropcs

Prefix

(443) 298

County

Talbot

City

Easton

Carrier

At&T Mobility

Prefix

(443) 299

County

Harford

City

Fallston

Carrier

Global Crossing

Prefix

(443) 300

County

Carroll

City

Sykesville

Carrier

Bandwidth.com

Prefix

(443) 301

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 302

County

Anne Arundel

City

Crofton

Carrier

Comcast

Prefix

(443) 303

County

Harford

City

Aberdeen

Carrier

Xo Communications

Prefix

(443) 304

County

Baltimore

City

Arbutus

Carrier

Xo Communications

Prefix

(443) 305

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Comcast

Prefix

(443) 306

County

Anne Arundel

City

Severna Park

Carrier

Sprint

Prefix

(443) 307

County

Harford

City

Bel Air

Carrier

Global Crossing

Prefix

(443) 308

County

Anne Arundel

City

Severn

Carrier

Bandwidth.com

Prefix

(443) 309

County

Cecil

City

Elkton

Carrier

Sprint

Prefix

(443) 310

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 312

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Bandwidth.com

Prefix

(443) 313

County

Baltimore

City

Fork

Carrier

Neutral Tandem

Prefix

(443) 314

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 315

County

Baltimore

City

Catonsville

Carrier

Comcast

Prefix

(443) 316

County

Baltimore

City

Woodlawn

Carrier

At&T

Prefix

(443) 317

County

Baltimore

City

Chase

Carrier

Comcast

Prefix

(443) 318

County

Baltimore

City

Cockeysville

Carrier

Comcast

Prefix

(443) 319

County

Howard

City

Columbia

Carrier

Comcast

Prefix

(443) 320

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 321

County

Anne Arundel

City

Annapolis

Carrier

Paetec

Prefix

(443) 322

County

Baltimore

City

Towson

Carrier

Cavalier

Prefix

(443) 323

County

Wicomico

City

Sharptown

Carrier

Onvoy

Prefix

(443) 324

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 325

County

Howard

City

Ellicott City

Carrier

Cavalier

Prefix

(443) 326

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 327

County

Harford

City

Aberdeen

Carrier

Us Lec

Prefix

(443) 328

County

Carroll

City

Sykesville

Carrier

Onvoy

Prefix

(443) 329

County

Prince George's

City

Waterloo 236

Carrier

Level 3

Prefix

(443) 330

County

Baltimore

City

Cockeysville

Carrier

Cavalier

Prefix

(443) 331

County

Carroll

City

Taneytown

Carrier

Coretel

Prefix

(443) 332

County

Anne Arundel

City

Crofton

Carrier

Paetec

Prefix

(443) 333

County

Anne Arundel

City

Annapolis

Carrier

Xo Communications

Prefix

(443) 334

County

Baltimore

City

Pikesville

Carrier

Verizon Communications

Prefix

(443) 335

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Peerless Network

Prefix

(443) 336

County

Anne Arundel

City

Annapolis

Carrier

Sprint

Prefix

(443) 337

County

Baltimore

City

Sparrows Point

Carrier

Metropcs

Prefix

(443) 338

County

Baltimore

City

Sparks-Glencoe

Carrier

Neutral Tandem

Prefix

(443) 339

County

Anne Arundel

City

Sherwood Forest

Carrier

Neutral Tandem

Prefix

(443) 340

County

Carroll

City

Westminster

Carrier

Verizon Wireless

Prefix

(443) 341

County

Baltimore

City

Catonsville

Carrier

Level 3

Prefix

(443) 342

County

Calvert

City

Solomons

Carrier

Comcast

Prefix

(443) 343

County

Anne Arundel

City

Millersville

Carrier

At&T

Prefix

(443) 344

County

Anne Arundel

City

Severna Park

Carrier

Coretel

Prefix

(443) 345

County

Harford

City

Aberdeen

Carrier

T-Mobile

Prefix

(443) 346

County

Anne Arundel

City

Severna Park

Carrier

Xo Communications

Prefix

(443) 347

County

Harford

City

Cardiff

Carrier

Ctc Communications

Prefix

(443) 348

County

Baltimore

City

Woodlawn

Carrier

At&T

Prefix

(443) 349

County

Carroll

City

Silver Run

Carrier

Coretel

Prefix

(443) 350

County

Cecil

City

Elkton

Carrier

Verizon Wireless

Prefix

(443) 351

County

Anne Arundel

City

Odenton

Carrier

Us Lec

Prefix

(443) 352

County

Baltimore

City

Pikesville

Carrier

Comcast

Prefix

(443) 353

County

Baltimore

City

Cockeysville

Carrier

Local Access

Prefix

(443) 354

County

Anne Arundel

City

Glen Burnie

Carrier

At&T Mobility

Prefix

(443) 355

County

Howard

City

Ellicott City

Carrier

Metropcs

Prefix

(443) 356

County

Harford

City

Bel Air

Carrier

Bandwidth.com

Prefix

(443) 357

County

Baltimore

City

Pikesville

Carrier

Verizon Communications

Prefix

(443) 358

County

Wicomico

City

Salisbury

Carrier

Ymax Communications

Prefix

(443) 359

County

Wicomico

City

Delmar

Carrier

Comcast

Prefix

(443) 360

County

Harford

City

Aberdeen

Carrier

At&T

Prefix

(443) 361

County

Carroll

City

Sykesville

Carrier

Coretel

Prefix

(443) 362

County

Talbot

City

Easton

Carrier

T-Mobile

Prefix

(443) 363

County

Anne Arundel

City

Severn

Carrier

Telnyx

Prefix

(443) 364

County

Howard

City

Ellicott City

Carrier

At&T

Prefix

(443) 365

County

Wicomico

City

Salisbury

Carrier

Level 3

Prefix

(443) 366

County

Wicomico

City

Salisbury

Carrier

Sprint

Prefix

(443) 367

County

Howard

City

Columbia

Carrier

Verizon Communications

Prefix

(443) 368

County

Carroll

City

Westminster

Carrier

Coretel

Prefix

(443) 369

County

Harford

City

Bel Air

Carrier

Coretel

Prefix

(443) 370

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 371

County

Harford

City

Bel Air

Carrier

Centurylink

Prefix

(443) 372

County

Harford

City

Edgewood

Carrier

Level 3

Prefix

(443) 373

County

Worcester

City

Ocean City

Carrier

Comcast

Prefix

(443) 374

County

Harford

City

Aberdeen

Carrier

T-Mobile

Prefix

(443) 375

County

Carroll

City

Hampstead

Carrier

Sprint

Prefix

(443) 376

County

Baltimore

City

Dundalk

Carrier

At&T

Prefix

(443) 377

County

Baltimore

City

Towson

Carrier

Bandwidth.com

Prefix

(443) 378

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 379

County

Baltimore

City

Pikesville

Carrier

Comcast

Prefix

(443) 380

County

Baltimore

City

Woodlawn

Carrier

Bandwidth.com

Prefix

(443) 381

County

Baltimore

City

Reisterstown

Carrier

At&T Mobility

Prefix

(443) 382

County

Dorchester

City

Cambridge

Carrier

Coretel

Prefix

(443) 383

County

Carroll

City

Silver Run

Carrier

Telnyx

Prefix

(443) 384

County

Baltimore

City

Parkville

Carrier

Peerless Network

Prefix

(443) 385

County

Talbot

City

Easton

Carrier

Coretel

Prefix

(443) 386

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 387

County

Worcester

City

Pocomoke

Carrier

Coretel

Prefix

(443) 388

County

Baltimore

City

Baltimore

Carrier

Xo Communications

Prefix

(443) 389

County

Wicomico

City

Salisbury

Carrier

Coretel

Prefix

(443) 390

County

Harford

City

Churchville

Carrier

Bandwidth.com

Prefix

(443) 391

County

Baltimore

City

Cockeysville

Carrier

Level 3

Prefix

(443) 392

County

Baltimore

City

Baltimore

Carrier

At&T

Prefix

(443) 393

County

Howard

City

Columbia

Carrier

Global Crossing

Prefix

(443) 394

County

Baltimore

City

Pikesville

Carrier

Verizon Communications

Prefix

(443) 395

County

Harford

City

Aberdeen

Carrier

Verizon Communications

Prefix

(443) 396

County

Anne Arundel

City

Odenton

Carrier

Broadvox

Prefix

(443) 397

County

Wicomico

City

Salisbury

Carrier

Level 3

Prefix

(443) 398

County

Carroll

City

Sykesville

Carrier

Broadvox

Prefix

(443) 399

County

Baltimore

City

Dundalk

Carrier

Broadvox

Prefix

(443) 400

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Metropcs

Prefix

(443) 401

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 402

County

Harford

City

Edgewood

Carrier

Comcast

Prefix

(443) 403

County

Harford

City

Aberdeen

Carrier

Centurylink

Prefix

(443) 404

County

Calvert

City

Solomons

Carrier

Comcast

Prefix

(443) 405

County

Baltimore

City

Randallstown

Carrier

Level 3

Prefix

(443) 406

County

Cecil

City

Elkton

Carrier

At&T

Prefix

(443) 407

County

Baltimore

City

Dundalk

Carrier

Xo Communications

Prefix

(443) 408

County

Baltimore

City

Sparrows Point

Carrier

Bandwidth.com

Prefix

(443) 409

County

Harford

City

Edgewood

Carrier

Cavalier

Prefix

(443) 410

County

Anne Arundel

City

Glen Burnie

Carrier

Centurylink

Prefix

(443) 411

County

-

City

411 Local Directory Assistance

Carrier

-

Prefix

(443) 412

County

Harford

City

Churchville

Carrier

Neutral Tandem

Prefix

(443) 413

County

Baltimore

City

Baltimore

Carrier

-

Prefix

(443) 414

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 415

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 416

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 417

County

Harford

City

Fallston

Carrier

Verizon Wireless

Prefix

(443) 418

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 419

County

Howard

City

Glenwood

Carrier

Baltimore-Washington Telephone Company

Prefix

(443) 420

County

Howard

City

Ellicott City

Carrier

Level 3

Prefix

(443) 421

County

Baltimore

City

Fork

Carrier

At&T Mobility

Prefix

(443) 422

County

Anne Arundel

City

Glen Burnie

Carrier

Bandwidth.com

Prefix

(443) 423

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 424

County

Harford

City

Cardiff

Carrier

Armstrong Telecommunications

Prefix

(443) 425

County

Baltimore

City

Parkville

Carrier

At&T

Prefix

(443) 426

County

Baltimore

City

Randallstown

Carrier

Level 3

Prefix

(443) 427

County

Somerset

City

Princess Anne

Carrier

Coretel

Prefix

(443) 428

County

Baltimore

City

Cockeysville

Carrier

Coretel

Prefix

(443) 429

County

Baltimore

City

Woodlawn

Carrier

Cavalier

Prefix

(443) 430

County

Howard

City

Columbia

Carrier

Verizon Business

Prefix

(443) 431

County

Baltimore

City

Randallstown

Carrier

Xo Communications

Prefix

(443) 432

County

Calvert

City

Prince Frederick

Carrier

Comcast

Prefix

(443) 433

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 434

County

Caroline

City

Federalsburg

Carrier

Comcast

Prefix

(443) 435

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 436

County

Baltimore

City

Woodlawn

Carrier

Verizon Communications

Prefix

(443) 437

County

Worcester

City

Pocomoke

Carrier

Comcast

Prefix

(443) 438

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 439

County

Talbot

City

Trappe

Carrier

Verizon Wireless

Prefix

(443) 440

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 441

County

Howard

City

Glenwood

Carrier

Peerless Network

Prefix

(443) 442

County

Baltimore

City

Parkville

Carrier

Cavalier

Prefix

(443) 444

County

Baltimore

City

Baltimore

Carrier

Verizon

Prefix

(443) 445

County

Howard

City

Elkridge

Carrier

Peerless Network

Prefix

(443) 446

County

Queen Anne's

City

Queenstown

Carrier

Verizon Business

Prefix

(443) 447

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 448

County

Caroline

City

Denton

Carrier

Level 3

Prefix

(443) 449

County

Baltimore

City

Baltimore

Carrier

Comcast

Prefix

(443) 450

County

Baltimore

City

Pikesville

Carrier

Level 3

Prefix

(443) 451

County

Baltimore

City

Baltimore

Carrier

Paetec

Prefix

(443) 452

County

Baltimore

City

Baltimore

Carrier

Us Lec

Prefix

(443) 453

County

Baltimore

City

Baltimore

Carrier

Onvoy

Prefix

(443) 454

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 455

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 456

County

Harford

City

Edgewood

Carrier

Comcast

Prefix

(443) 457

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

At&T

Prefix

(443) 458

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 459

County

Howard

City

Elkridge

Carrier

Paetec

Prefix

(443) 460

County

Baltimore

City

Essex

Carrier

Verizon

Prefix

(443) 461

County

Baltimore

City

Parkville

Carrier

Us Lec

Prefix

(443) 462

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 463

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 464

County

Harford

City

Churchville

Carrier

Broadview Networks

Prefix

(443) 465

County

Baltimore

City

Towson

Carrier

-

Prefix

(443) 466

County

Cecil

City

Elkton

Carrier

Sprint

Prefix

(443) 467

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 468

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 469

County

Baltimore

City

Baltimore

Carrier

-

Prefix

(443) 470

County

Baltimore

City

Towson

Carrier

Level 3

Prefix

(443) 471

County

Baltimore

City

Pikesville

Carrier

Us Lec

Prefix

(443) 472

County

Howard

City

Columbia

Carrier

-

Prefix

(443) 473

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 474

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 475

County

Baltimore

City

Baltimore

Carrier

Verizon Business

Prefix

(443) 476

County

Anne Arundel

City

Annapolis

Carrier

Verizon Communications

Prefix

(443) 477

County

Dorchester

City

Cambridge

Carrier

T-Mobile

Prefix

(443) 478

County

Baltimore

City

Baltimore

Carrier

Xo Communications

Prefix

(443) 479

County

Prince George's

City

Waterloo 236

Carrier

Verizon Communications

Prefix

(443) 480

County

Kent

City

Chestertown

Carrier

Verizon Wireless

Prefix

(443) 481

County

Anne Arundel

City

Annapolis

Carrier

Us Lec

Prefix

(443) 482

County

Anne Arundel

City

Annapolis

Carrier

Verizon Communications

Prefix

(443) 483

County

Harford

City

Cardiff

Carrier

Level 3

Prefix

(443) 484

County

Harford

City

Edgewood

Carrier

Level 3

Prefix

(443) 485

County

Cecil

City

Elkton

Carrier

At&T

Prefix

(443) 486

County

Calvert

City

Prince Frederick

Carrier

At&T Mobility

Prefix

(443) 487

County

Carroll

City

Westminster

Carrier

Us Lec

Prefix

(443) 488

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 489

County

Baltimore

City

Chase

Carrier

Neutral Tandem

Prefix

(443) 490

County

Harford

City

Edgewood

Carrier

Metropcs

Prefix

(443) 491

County

Baltimore

City

Parkton

Carrier

Broadvox

Prefix

(443) 492

County

Howard

City

Elkridge

Carrier

Sprint

Prefix

(443) 493

County

Wicomico

City

Delmar

Carrier

Verizon Wireless

Prefix

(443) 494

County

Anne Arundel

City

Millersville

Carrier

Bandwidth.com

Prefix

(443) 495

County

Baltimore

City

Parkville

Carrier

T-Mobile

Prefix

(443) 496

County

Talbot

City

Easton

Carrier

Sprint

Prefix

(443) 497

County

Wicomico

City

Salisbury

Carrier

Sprint

Prefix

(443) 498

County

Baltimore

City

Catonsville

Carrier

Xo Communications

Prefix

(443) 499

County

Harford

City

Jarrettsville

Carrier

Level 3

Prefix

(443) 500

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 501

County

Baltimore

City

Pikesville

Carrier

T-Mobile

Prefix

(443) 502

County

Harford

City

Havre De Grace

Carrier

Bandwidth.com

Prefix

(443) 503

County

Baltimore

City

Dundalk

Carrier

Xo Communications

Prefix

(443) 504

County

Harford

City

Fallston

Carrier

Baltimore-Washington Telephone Company

Prefix

(443) 505

County

Baltimore

City

Essex

Carrier

Comcast

Prefix

(443) 506

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 507

County

Carroll

City

Hampstead

Carrier

Verizon

Prefix

(443) 508

County

Carroll

City

Hampstead

Carrier

Sprint

Prefix

(443) 509

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 510

County

Anne Arundel

City

Annapolis

Carrier

-

Prefix

(443) 511

County

-

City

Travel Information Services

Carrier

-

Prefix

(443) 512

County

Harford

City

Edgewood

Carrier

Metropcs

Prefix

(443) 513

County

Worcester

City

Berlin

Carrier

-

Prefix

(443) 514

County

Baltimore

City

Catonsville

Carrier

Us Lec

Prefix

(443) 515

County

Dorchester

City

Cambridge

Carrier

Cavalier

Prefix

(443) 516

County

Carroll

City

Sykesville

Carrier

Global Crossing

Prefix

(443) 517

County

Anne Arundel

City

Glen Burnie

Carrier

Global Crossing

Prefix

(443) 518

County

Howard

City

Columbia

Carrier

Verizon Communications

Prefix

(443) 519

County

Baltimore

City

Towson

Carrier

Level 3

Prefix

(443) 520

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 521

County

Dorchester

City

Cambridge

Carrier

Sprint

Prefix

(443) 522

County

Baltimore

City

Reisterstown

Carrier

Paetec

Prefix

(443) 523

County

Wicomico

City

Salisbury

Carrier

At&T Mobility

Prefix

(443) 524

County

Baltimore

City

Baltimore

Carrier

Xo Communications

Prefix

(443) 525

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 526

County

Harford

City

Havre De Grace

Carrier

Telnyx

Prefix

(443) 527

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 528

County

Harford

City

Bel Air

Carrier

Sprint

Prefix

(443) 529

County

Baltimore

City

Baltimore

Carrier

Bandwidth.com

Prefix

(443) 530

County

Baltimore

City

Dundalk

Carrier

Neutral Tandem

Prefix

(443) 531

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 532

County

Calvert

City

Prince Frederick

Carrier

Sprint

Prefix

(443) 533

County

Harford

City

Jarrettsville

Carrier

Neutral Tandem

Prefix

(443) 534

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 535

County

Howard

City

Columbia

Carrier

Verizon Business

Prefix

(443) 536

County

Carroll

City

Westminster

Carrier

Level 3

Prefix

(443) 537

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 538

County

Howard

City

Columbia

Carrier

T-Mobile

Prefix

(443) 539

County

Howard

City

Columbia

Carrier

Verizon Business

Prefix

(443) 540

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 541

County

Baltimore

City

Cockeysville

Carrier

Level 3

Prefix

(443) 542

County

Howard

City

Columbia

Carrier

Cavalier

Prefix

(443) 543

County

Baltimore

City

Arbutus

Carrier

Level 3

Prefix

(443) 544

County

Baltimore

City

Pikesville

Carrier

Comcast

Prefix

(443) 545

County

Howard

City

Columbia

Carrier

Bandwidth.com

Prefix

(443) 546

County

Howard

City

Columbia

Carrier

Verizon Communications

Prefix

(443) 547

County

Carroll

City

Westminster

Carrier

Verizon Wireless

Prefix

(443) 548

County

Baltimore

City

Pikesville

Carrier

Verizon

Prefix

(443) 549

County

Baltimore

City

Dundalk

Carrier

Us Lec

Prefix

(443) 550

County

Calvert

City

North Beach

Carrier

Us Lec

Prefix

(443) 551

County

Baltimore

City

Woodlawn

Carrier

Level 3

Prefix

(443) 552

County

Baltimore

City

Baltimore

Carrier

Comcast

Prefix

(443) 553

County

Cecil

City

Elkton

Carrier

Verizon Wireless

Prefix

(443) 554

County

Baltimore

City

Chase

Carrier

T-Mobile

Prefix

(443) 555

County

-

City

Directory Assistance

Carrier

-

Prefix

(443) 556

County

Baltimore

City

Cockeysville

Carrier

Verizon Communications

Prefix

(443) 557

County

Anne Arundel

City

Glen Burnie

Carrier

Neutral Tandem

Prefix

(443) 558

County

Harford

City

Aberdeen

Carrier

Peerless Network

Prefix

(443) 559

County

Baltimore

City

Essex

Carrier

-

Prefix

(443) 560

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 561

County

Howard

City

Elkridge

Carrier

At&T Mobility

Prefix

(443) 562

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 563

County

Baltimore

City

Baltimore

Carrier

Comcast

Prefix

(443) 564

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 565

County

Baltimore

City

Randallstown

Carrier

Cavalier

Prefix

(443) 566

County

Cecil

City

Chesapeake City

Carrier

Verizon Wireless

Prefix

(443) 567

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 568

County

Baltimore

City

Arbutus

Carrier

Bandwidth.com

Prefix

(443) 569

County

Anne Arundel

City

Annapolis

Carrier

Level 3

Prefix

(443) 570

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 571

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 572

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon

Prefix

(443) 573

County

Baltimore

City

Baltimore

Carrier

Paetec

Prefix

(443) 574

County

Howard

City

Ellicott City

Carrier

Bandwidth.com

Prefix

(443) 575

County

Baltimore

City

Arbutus

Carrier

Paetec

Prefix

(443) 576

County

Baltimore

City

Randallstown

Carrier

Local Access

Prefix

(443) 577

County

Anne Arundel

City

Glen Burnie

Carrier

Level 3

Prefix

(443) 578

County

Baltimore

City

Cockeysville

Carrier

Verizon Wireless

Prefix

(443) 579

County

Baltimore

City

Essex

Carrier

Us Lec

Prefix

(443) 580

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 581

County

Baltimore

City

Chase

Carrier

Xo Communications

Prefix

(443) 582

County

Harford

City

Churchville

Carrier

Ctc Communications

Prefix

(443) 583

County

Howard

City

Columbia

Carrier

Comcast

Prefix

(443) 584

County

Anne Arundel

City

Crofton

Carrier

Emergency Networks

Prefix

(443) 585

County

Harford

City

Darlington

Carrier

Telnyx

Prefix

(443) 586

County

Baltimore

City

Dundalk

Carrier

At&T Mobility

Prefix

(443) 587

County

Harford

City

Edgewood

Carrier

Comcast

Prefix

(443) 588

County

Baltimore

City

Parkville

Carrier

Comcast

Prefix

(443) 589

County

Baltimore

City

Cockeysville

Carrier

Neutral Tandem

Prefix

(443) 590

County

Baltimore

City

Reisterstown

Carrier

Barr Tell Usa

Prefix

(443) 591

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 592

County

Howard

City

Elkridge

Carrier

Comcast

Prefix

(443) 593

County

Cecil

City

Elkton

Carrier

T-Mobile

Prefix

(443) 594

County

Baltimore

City

Sparrows Point

Carrier

Bandwidth.com

Prefix

(443) 595

County

Baltimore

City

Sparks-Glencoe

Carrier

Bandwidth.com

Prefix

(443) 596

County

Baltimore

City

Essex

Carrier

Xo Communications

Prefix

(443) 597

County

Anne Arundel

City

Severna Park

Carrier

Level 3

Prefix

(443) 598

County

Anne Arundel

City

Sherwood Forest

Carrier

Bandwidth.com

Prefix

(443) 599

County

Anne Arundel

City

Severn

Carrier

Bandwidth.com

Prefix

(443) 600

County

Baltimore

City

Essex

Carrier

T-Mobile

Prefix

(443) 601

County

Harford

City

Fallston

Carrier

Neutral Tandem

Prefix

(443) 602

County

Baltimore

City

Baltimore

Carrier

Ctc Communications

Prefix

(443) 603

County

Anne Arundel

City

Annapolis

Carrier

Paetec

Prefix

(443) 604

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 605

County

Carroll

City

Westminster

Carrier

Cavalier

Prefix

(443) 606

County

Baltimore

City

Fork

Carrier

Bandwidth.com

Prefix

(443) 607

County

Anne Arundel

City

West River

Carrier

Local Access

Prefix

(443) 608

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 609

County

Carroll

City

Sykesville

Carrier

Peerless Network

Prefix

(443) 610

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 611

County

-

City

Telco Repair Service

Carrier

-

Prefix

(443) 612

County

Baltimore

City

Catonsville

Carrier

Verizon

Prefix

(443) 613

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 614

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 615

County

Baltimore

City

Baltimore

Carrier

Paetec

Prefix

(443) 616

County

Harford

City

Bel Air

Carrier

Level 3

Prefix

(443) 617

County

Harford

City

Fallston

Carrier

Verizon Wireless

Prefix

(443) 618

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 619

County

Harford

City

Bel Air

Carrier

Verizon Wireless

Prefix

(443) 620

County

Howard

City

Waterloo 238

Carrier

Comcast

Prefix

(443) 621

County

Baltimore

City

Baltimore

Carrier

-

Prefix

(443) 622

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 623

County

Anne Arundel

City

Glen Burnie

Carrier

Sprint

Prefix

(443) 624

County

Calvert

City

Prince Frederick

Carrier

Verizon Wireless

Prefix

(443) 625

County

Baltimore

City

Fork

Carrier

Level 3

Prefix

(443) 626

County

Baltimore

City

Chase

Carrier

Local Access

Prefix

(443) 627

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 628

County

Anne Arundel

City

Glen Burnie

Carrier

Xo Communications

Prefix

(443) 629

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 630

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 631

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 632

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 633

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 634

County

Prince George's

City

Waterloo 236

Carrier

Verizon Communications

Prefix

(443) 635

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 636

County

Baltimore

City

Catonsville

Carrier

T-Mobile

Prefix

(443) 637

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Bandwidth.com

Prefix

(443) 638

County

Howard

City

Ellicott City

Carrier

Global Naps

Prefix

(443) 639

County

Carroll

City

Hampstead

Carrier

Bandwidth.com

Prefix

(443) 640

County

Harford

City

Bel Air

Carrier

Armstrong Telecommunications

Prefix

(443) 641

County

Baltimore

City

Pikesville

Carrier

Verizon Communications

Prefix

(443) 642

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 643

County

Harford

City

Bel Air

Carrier

Verizon Communications

Prefix

(443) 644

County

Harford

City

Jarrettsville

Carrier

Ctc Communications

Prefix

(443) 645

County

Anne Arundel

City

Millersville

Carrier

Comcast

Prefix

(443) 646

County

Calvert

City

North Beach

Carrier

Centurylink

Prefix

(443) 647

County

Carroll

City

New Windsor

Carrier

Ctc Communications

Prefix

(443) 648

County

Baltimore

City

Essex

Carrier

Centurylink

Prefix

(443) 649

County

Baltimore

City

Sparrows Point

Carrier

Us Lec

Prefix

(443) 650

County

Baltimore

City

Reisterstown

Carrier

Xo Communications

Prefix

(443) 651

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 652

County

Baltimore

City

Towson

Carrier

Local Access

Prefix

(443) 653

County

Baltimore

City

Parkville

Carrier

T-Mobile

Prefix

(443) 654

County

Prince George's

City

Waterloo 236

Carrier

Verizon Communications

Prefix

(443) 655

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 656

County

Howard

City

Columbia

Carrier

Cavalier

Prefix

(443) 657

County

Baltimore

City

Randallstown

Carrier

Comcast

Prefix

(443) 658

County

Baltimore

City

Woodlawn

Carrier

Global Naps

Prefix

(443) 659

County

Anne Arundel

City

West River

Carrier

Global Naps

Prefix

(443) 660

County

Baltimore

City

Pikesville

Carrier

Local Access

Prefix

(443) 661

County

Howard

City

Waterloo 238

Carrier

Cavalier

Prefix

(443) 662

County

Baltimore

City

Sparks-Glencoe

Carrier

Telnyx

Prefix

(443) 663

County

Baltimore

City

Woodlawn

Carrier

Verizon Communications

Prefix

(443) 664

County

Worcester

City

Ocean City

Carrier

Comcast

Prefix

(443) 665

County

Wicomico

City

Nanticoke

Carrier

Onvoy

Prefix

(443) 666

County

Kent

City

Chestertown

Carrier

Verizon Wireless

Prefix

(443) 668

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 669

County

Wicomico

City

Delmar

Carrier

Cavalier

Prefix

(443) 670

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 671

County

Carroll

City

New Windsor

Carrier

Coretel

Prefix

(443) 672

County

Baltimore

City

Parkton

Carrier

Peerless Network

Prefix

(443) 673

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Metropcs

Prefix

(443) 674

County

Cecil

City

North East

Carrier

At&T

Prefix

(443) 675

County

Baltimore

City

Randallstown

Carrier

Cavalier

Prefix

(443) 676

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 677

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 678

County

Baltimore

City

Parkville

Carrier

Verizon Communications

Prefix

(443) 679

County

Anne Arundel

City

Severn

Carrier

Metropcs

Prefix

(443) 680

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 681

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 682

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 683

County

Baltimore

City

Baltimore

Carrier

Us Lec

Prefix

(443) 684

County

Calvert

City

Prince Frederick

Carrier

Bandwidth.com

Prefix

(443) 685

County

Anne Arundel

City

Severn

Carrier

Cavalier

Prefix

(443) 686

County

Harford

City

Fallston

Carrier

Armstrong Telecommunications

Prefix

(443) 687

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 688

County

Anne Arundel

City

Severn

Carrier

Cavalier

Prefix

(443) 689

County

Baltimore

City

Cockeysville

Carrier

Cavalier

Prefix

(443) 690

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 691

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 692

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 693

County

Cecil

City

Perryville

Carrier

Cavalier

Prefix

(443) 694

County

Anne Arundel

City

Severna Park

Carrier

Sprint

Prefix

(443) 695

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 696

County

Baltimore

City

Dundalk

Carrier

Cavalier

Prefix

(443) 697

County

Baltimore

City

Catonsville

Carrier

Global Naps

Prefix

(443) 698

County

Anne Arundel

City

Odenton

Carrier

At&T

Prefix

(443) 699

County

Anne Arundel

City

Annapolis

Carrier

Centurylink

Prefix

(443) 700

County

-

City

Intralata Pic Validation

Carrier

-

Prefix

(443) 701

County

Baltimore

City

Arbutus

Carrier

Level 3

Prefix

(443) 702

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Us Lec

Prefix

(443) 703

County

Baltimore

City

Baltimore

Carrier

Verizon

Prefix

(443) 704

County

Anne Arundel

City

Odenton

Carrier

Metropcs

Prefix

(443) 705

County

Baltimore

City

Cockeysville

Carrier

Xo Communications

Prefix

(443) 706

County

Somerset

City

Crisfield

Carrier

At&T

Prefix

(443) 707

County

Harford

City

Aberdeen

Carrier

T-Mobile

Prefix

(443) 708

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 709

County

Baltimore

City

Arbutus

Carrier

Metropcs

Prefix

(443) 710

County

Baltimore

City

Catonsville

Carrier

Verizon

Prefix

(443) 711

County

-

City

Telecommunications Relay Service

Carrier

-

Prefix

(443) 712

County

Baltimore

City

Reisterstown

Carrier

Cavalier

Prefix

(443) 713

County

Anne Arundel

City

Glen Burnie

Carrier

T-Mobile

Prefix

(443) 714

County

Anne Arundel

City

Annapolis

Carrier

-

Prefix

(443) 715

County

Cecil

City

North East

Carrier

Cavalier

Prefix

(443) 716

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 717

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 718

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 719

County

Harford

City

Jarrettsville

Carrier

Cavalier

Prefix

(443) 720

County

Harford

City

Aberdeen

Carrier

Xo Communications

Prefix

(443) 721

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 722

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 723

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 724

County

Talbot

City

Easton

Carrier

Cavalier

Prefix

(443) 725

County

Baltimore

City

Parkville

Carrier

Paetec

Prefix

(443) 726

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 727

County

Worcester

City

Bishopville

Carrier

Cavalier

Prefix

(443) 728

County

Worcester

City

Berlin

Carrier

Cavalier

Prefix

(443) 729

County

Baltimore

City

Woodlawn

Carrier

Paetec

Prefix

(443) 730

County

Baltimore

City

Essex

Carrier

Paetec

Prefix

(443) 731

County

Cecil

City

Port Deposit

Carrier

At&T

Prefix

(443) 732

County

Carroll

City

Silver Run

Carrier

Comcast

Prefix

(443) 733

County

Howard

City

Waterloo 238

Carrier

Local Access

Prefix

(443) 734

County

Anne Arundel

City

Severn

Carrier

At&T Mobility

Prefix

(443) 735

County

Wicomico

City

Salisbury

Carrier

At&T Mobility

Prefix

(443) 736

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 737

County

Howard

City

Waterloo 238

Carrier

Paetec

Prefix

(443) 738

County

Baltimore

City

Pikesville

Carrier

Paetec

Prefix

(443) 739

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 740

County

Baltimore

City

Baltimore

Carrier

Xo Communications

Prefix

(443) 741

County

Howard

City

Columbia

Carrier

Peerless Network

Prefix

(443) 742

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 743

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 744

County

Baltimore

City

Reisterstown

Carrier

Sprint

Prefix

(443) 745

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 746

County

Talbot

City

Easton

Carrier

Level 3

Prefix

(443) 747

County

Cecil

City

Port Deposit

Carrier

Us Lec

Prefix

(443) 748

County

Anne Arundel

City

Millersville

Carrier

Peerless Network

Prefix

(443) 749

County

Anne Arundel

City

Glen Burnie

Carrier

Cavalier

Prefix

(443) 750

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 751

County

Baltimore

City

Woodlawn

Carrier

Cavalier

Prefix

(443) 752

County

Harford

City

Bel Air

Carrier

Verizon Wireless

Prefix

(443) 753

County

Prince George's

City

Waterloo 236

Carrier

Xo Communications

Prefix

(443) 754

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 755

County

Howard

City

Waterloo 238

Carrier

Comcast

Prefix

(443) 756

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 757

County

Howard

City

Elkridge

Carrier

Cavalier

Prefix

(443) 758

County

Anne Arundel

City

Annapolis

Carrier

At&T

Prefix

(443) 759

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 760

County

Harford

City

Aberdeen

Carrier

Level 3

Prefix

(443) 761

County

Baltimore

City

Towson

Carrier

Broadview Networks

Prefix

(443) 762

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 763

County

Anne Arundel

City

Glen Burnie

Carrier

Sprint

Prefix

(443) 764

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 765

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 766

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 767

County

Baltimore

City

Worthington

Carrier

Broadview Networks

Prefix

(443) 768

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 769

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 770

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Verizon Communications

Prefix

(443) 771

County

Calvert

City

Prince Frederick

Carrier

At&T Mobility

Prefix

(443) 772

County

Baltimore

City

Essex

Carrier

Cavalier

Prefix

(443) 773

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Xo Communications

Prefix

(443) 774

County

Baltimore

City

Columbia

Carrier

Global Naps

Prefix

(443) 775

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 776

County

Howard

City

Elkridge

Carrier

Verizon Business

Prefix

(443) 777

County

Baltimore

City

Essex

Carrier

Verizon Communications

Prefix

(443) 778

County

Prince George's

City

Waterloo 236

Carrier

Verizon Communications

Prefix

(443) 779

County

Harford

City

Aberdeen

Carrier

Xo Communications

Prefix

(443) 780

County

Baltimore

City

Woodlawn

Carrier

Barr Tell Usa

Prefix

(443) 781

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Comcast

Prefix

(443) 782

County

Anne Arundel

City

Annapolis

Carrier

Xo Communications

Prefix

(443) 783

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 784

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

At&T

Prefix

(443) 785

County

Baltimore

City

Arbutus

Carrier

Global Naps

Prefix

(443) 786

County

Talbot

City

Easton

Carrier

Verizon Wireless

Prefix

(443) 787

County

Harford

City

Bel Air

Carrier

Centurylink

Prefix

(443) 788

County

Harford

City

Aberdeen

Carrier

Xo Communications

Prefix

(443) 789

County

Carroll

City

Westminster

Carrier

Sprint

Prefix

(443) 790

County

Anne Arundel

City

Glen Burnie

Carrier

Sprint

Prefix

(443) 791

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 792

County

Anne Arundel

City

Brooklyn Park-Linthicum

Carrier

Verizon Business

Prefix

(443) 793

County

Baltimore

City

Parkville

Carrier

Verizon

Prefix

(443) 794

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 795

County

Anne Arundel

City

Severn

Carrier

Verizon

Prefix

(443) 796

County

Baltimore

City

Pikesville

Carrier

Verizon

Prefix

(443) 797

County

Baltimore

City

Towson

Carrier

Verizon

Prefix

(443) 798

County

Baltimore

City

Towson

Carrier

Xo Communications

Prefix

(443) 799

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 800

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 801

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 802

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 803

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 804

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 805

County

Anne Arundel

City

Glen Burnie

Carrier

Ctc Communications

Prefix

(443) 806

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 807

County

Harford

City

Fallston

Carrier

Sprint

Prefix

(443) 808

County

Anne Arundel

City

Annapolis

Carrier

Comcast

Prefix

(443) 809

County

Baltimore

City

Towson

Carrier

Level 3

Prefix

(443) 810

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 812

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 813

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 814

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 815

County

Baltimore

City

Essex

Carrier

T-Mobile

Prefix

(443) 816

County

Anne Arundel

City

Severna Park

Carrier

Xo Communications

Prefix

(443) 817

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Comcast

Prefix

(443) 818

County

Anne Arundel

City

Armiger-Gibson Island

Carrier

Level 3

Prefix

(443) 819

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 820

County

Howard

City

Elkridge

Carrier

Verizon Business

Prefix

(443) 821

County

Carroll

City

Westminster

Carrier

Verizon Wireless

Prefix

(443) 822

County

Anne Arundel

City

Annapolis

Carrier

Sprint

Prefix

(443) 823

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 824

County

Baltimore

City

Towson

Carrier

T-Mobile

Prefix

(443) 825

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 826

County

Baltimore

City

Baltimore

Carrier

Bandwidth.com

Prefix

(443) 827

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 828

County

Howard

City

Ellicott City

Carrier

Cavalier

Prefix

(443) 829

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 830

County

Baltimore

City

Catonsville

Carrier

Cavalier

Prefix

(443) 831

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 832

County

Howard

City

Columbia

Carrier

Level 3

Prefix

(443) 833

County

Baltimore

City

Arbutus

Carrier

Verizon Business

Prefix

(443) 834

County

Baltimore

City

Towson

Carrier

Cavalier

Prefix

(443) 835

County

Baltimore

City

Baltimore

Carrier

Comcast

Prefix

(443) 836

County

Baltimore

City

Baltimore

Carrier

Neutral Tandem

Prefix

(443) 837

County

Anne Arundel

City

Annapolis

Carrier

Sprint

Prefix

(443) 838

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 839

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 840

County

Baltimore

City

Catonsville

Carrier

Verizon Communications

Prefix

(443) 841

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 842

County

Baltimore

City

Baltimore

Carrier

Bandwidth.com

Prefix

(443) 843

County

Harford

City

Havre De Grace

Carrier

Ctc Communications

Prefix

(443) 844

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 845

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 846

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 847

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 848

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 849

County

Baltimore

City

Towson

Carrier

Verizon Communications

Prefix

(443) 850

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 851

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 852

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 853

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 854

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 855

County

Harford

City

Aberdeen

Carrier

Verizon

Prefix

(443) 856

County

Worcester

City

Ocean City

Carrier

Level 3

Prefix

(443) 857

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 858

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 859

County

Wicomico

City

Salisbury

Carrier

Comcast

Prefix

(443) 860

County

Baltimore

City

Catonsville

Carrier

Verizon Business

Prefix

(443) 861

County

Harford

City

Aberdeen

Carrier

Verizon Communications

Prefix

(443) 862

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 863

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 864

County

Howard

City

Columbia

Carrier

T-Mobile

Prefix

(443) 865

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 866

County

Harford

City

Bel Air

Carrier

Sprint

Prefix

(443) 867

County

Anne Arundel

City

Glen Burnie

Carrier

Paetec

Prefix

(443) 868

County

Baltimore

City

Essex

Carrier

T-Mobile

Prefix

(443) 869

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 870

County

Baltimore

City

Pikesville

Carrier

T-Mobile

Prefix

(443) 871

County

Anne Arundel

City

Annapolis

Carrier

Sprint

Prefix

(443) 872

County

Baltimore

City

Baltimore

Carrier

Cavalier

Prefix

(443) 873

County

Baltimore

City

Baltimore

Carrier

Bandwidth.com

Prefix

(443) 874

County

Baltimore

City

Baltimore

Carrier

Cavalier

Prefix

(443) 875

County

Anne Arundel

City

Annapolis

Carrier

-

Prefix

(443) 876

County

Harford

City

Bel Air

Carrier

Sprint

Prefix

(443) 877

County

Cecil

City

North East

Carrier

Comcast

Prefix

(443) 878

County

Howard

City

Columbia

Carrier

Ctc Communications

Prefix

(443) 879

County

Baltimore

City

Dundalk

Carrier

Bandwidth.com

Prefix

(443) 880

County

Wicomico

City

Salisbury

Carrier

Verizon Wireless

Prefix

(443) 881

County

Baltimore

City

Reisterstown

Carrier

Peerless Network

Prefix

(443) 882

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 883

County

Anne Arundel

City

Glen Burnie

Carrier

Comcast

Prefix

(443) 884

County

Baltimore

City

Baltimore

Carrier

Cavalier

Prefix

(443) 885

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 886

County

Baltimore

City

Cockeysville

Carrier

Verizon Wireless

Prefix

(443) 887

County

Baltimore

City

Catonsville

Carrier

Cavalier

Prefix

(443) 888

County

Somerset

City

Princess Anne

Carrier

Ymax Communications

Prefix

(443) 889

County

Anne Arundel

City

Glen Burnie

Carrier

-

Prefix

(443) 890

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 891

County

Anne Arundel

City

Glen Burnie

Carrier

T-Mobile

Prefix

(443) 892

County

Carroll

City

New Windsor

Carrier

Bandwidth.com

Prefix

(443) 893

County

Baltimore

City

Woodlawn

Carrier

Comcast

Prefix

(443) 894

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 895

County

Baltimore

City

Towson

Carrier

Comcast

Prefix

(443) 896

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 897

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 898

County

Baltimore

City

Pikesville

Carrier

Comcast

Prefix

(443) 899

County

Howard

City

Waterloo 238

Carrier

Telnyx

Prefix

(443) 900

County

Baltimore

City

Towson

Carrier

Verizon Wireless

Prefix

(443) 901

County

Baltimore

City

Towson

Carrier

Cavalier

Prefix

(443) 902

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 903

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 904

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 905

County

Anne Arundel

City

Annapolis

Carrier

Level 3

Prefix

(443) 906

County

Anne Arundel

City

Severna Park

Carrier

Bandwidth.com

Prefix

(443) 907

County

Cecil

City

Elkton

Carrier

Verizon Wireless

Prefix

(443) 908

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 909

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 910

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 911

County

-

City

Emergency Services

Carrier

-

Prefix

(443) 912

County

Baltimore

City

Towson

Carrier

Coretel

Prefix

(443) 913

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 914

County

Baltimore

City

Worthington

Carrier

Baltimore-Washington Telephone Company

Prefix

(443) 915

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 916

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 917

County

Howard

City

Columbia

Carrier

Bandwidth.com

Prefix

(443) 918

County

Carroll

City

Taneytown

Carrier

Us Lec

Prefix

(443) 919

County

Baltimore

City

Baltimore

Carrier

Cavalier

Prefix

(443) 920

County

Carroll

City

Sykesville

Carrier

Comcast

Prefix

(443) 921

County

Baltimore

City

Towson

Carrier

Paetec

Prefix

(443) 922

County

Harford

City

Edgewood

Carrier

Comcast

Prefix

(443) 923

County

Baltimore

City

Baltimore

Carrier

Cavalier

Prefix

(443) 924

County

Anne Arundel

City

Annapolis

Carrier

Bandwidth.com

Prefix

(443) 925

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 926

County

Anne Arundel

City

Annapolis

Carrier

Verizon Wireless

Prefix

(443) 927

County

Baltimore

City

Baltimore

Carrier

Centurylink

Prefix

(443) 928

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 929

County

Baltimore

City

Pikesville

Carrier

T-Mobile

Prefix

(443) 930

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 931

County

Baltimore

City

Baltimore

Carrier

Verizon Business

Prefix

(443) 932

County

Baltimore

City

Baltimore

Carrier

Sprint

Prefix

(443) 933

County

Baltimore

City

Cockeysville

Carrier

At&T

Prefix

(443) 934

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 935

County

Baltimore

City

Towson

Carrier

At&T Mobility

Prefix

(443) 936

County

Howard

City

Elkridge

Carrier

At&T Mobility

Prefix

(443) 937

County

Carroll

City

Union Bridge

Carrier

Comcast

Prefix

(443) 938

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 939

County

Baltimore

City

Baltimore

Carrier

T-Mobile

Prefix

(443) 940

County

Baltimore

City

Pikesville

Carrier

Cavalier

Prefix

(443) 941

County

Cecil

City

Elkton

Carrier

Baltimore-Washington Telephone Company

Prefix

(443) 942

County

Anne Arundel

City

Severna Park

Carrier

Sprint

Prefix

(443) 943

County

Baltimore

City

Sparrows Point

Carrier

Metropcs

Prefix

(443) 944

County

Wicomico

City

Salisbury

Carrier

Comcast

Prefix

(443) 945

County

Cecil

City

Elkton

Carrier

Verizon Wireless

Prefix

(443) 946

County

Baltimore

City

Parkville

Carrier

At&T Mobility

Prefix

(443) 947

County

Cecil

City

Perryville

Carrier

Ctc Communications

Prefix

(443) 948

County

Baltimore

City

Baltimore

Carrier

Comcast

Prefix

(443) 949

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 951

County

Anne Arundel

City

Annapolis

Carrier

Global Crossing

Prefix

(443) 952

County

Carroll

City

Westminster

Carrier

Verizon Wireless

Prefix

(443) 953

County

Wicomico

City

Salisbury

Carrier

Metropcs

Prefix

(443) 954

County

Baltimore

City

Baltimore

Carrier

Paetec

Prefix

(443) 955

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 956

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 957

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 958

County

-

City

Standard Plant Test Code

Carrier

-

Prefix

(443) 959

County

-

City

Standard Plant Test Code

Carrier

-

Prefix

(443) 960

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 961

County

Baltimore

City

Baltimore

Carrier

West Telecom

Prefix

(443) 962

County

Anne Arundel

City

Glen Burnie

Carrier

Level 3

Prefix

(443) 963

County

Baltimore

City

Baltimore

Carrier

At&T Mobility

Prefix

(443) 964

County

Calvert

City

North Beach

Carrier

Comcast

Prefix

(443) 965

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 966

County

Harford

City

Fallston

Carrier

Verizon Wireless

Prefix

(443) 967

County

Cecil

City

North East

Carrier

Peerless Network

Prefix

(443) 968

County

Calvert

City

Prince Frederick

Carrier

Comcast

Prefix

(443) 969

County

Baltimore

City

Essex

Carrier

Comcast

Prefix

(443) 970

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 971

County

Carroll

City

Taneytown

Carrier

Bandwidth.com

Prefix

(443) 972

County

Dorchester

City

Cambridge

Carrier

Neutral Tandem

Prefix

(443) 973

County

Howard

City

Ellicott City

Carrier

Verizon Business

Prefix

(443) 974

County

Carroll

City

Westminster

Carrier

Verizon Wireless

Prefix

(443) 975

County

Calvert

City

Prince Frederick

Carrier

Verizon Wireless

Prefix

(443) 976

County

-

City

Information Provider

Carrier

-

Prefix

(443) 977

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 978

County

Wicomico

City

Salisbury

Carrier

Level 3

Prefix

(443) 979

County

Howard

City

Columbia

Carrier

Verizon Wireless

Prefix

(443) 980

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 981

County

Harford

City

Fallston

Carrier

Broadvox

Prefix

(443) 982

County

Baltimore

City

Baltimore

Carrier

Ymax Communications

Prefix

(443) 983

County

Baltimore

City

Baltimore

Carrier

-

Prefix

(443) 984

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 985

County

Baltimore

City

Randallstown

Carrier

T-Mobile

Prefix

(443) 986

County

Baltimore

City

Baltimore

Carrier

Verizon Wireless

Prefix

(443) 987

County

Harford

City

Bel Air

Carrier

At&T Mobility

Prefix

(443) 988

County

Queen Anne's

City

Centreville

Carrier

Verizon Wireless

Prefix

(443) 989

County

Anne Arundel

City

Glen Burnie

Carrier

Verizon Wireless

Prefix

(443) 990

County

Baltimore

City

Baltimore

Carrier

Bandwidth.com

Prefix

(443) 991

County

Baltimore

City

Towson

Carrier

Comcast

Prefix

(443) 992

County

Baltimore

City

Baltimore

Carrier

Level 3

Prefix

(443) 993

County

Cecil

City

Elkton

Carrier

Sprint

Prefix

(443) 994

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 995

County

Anne Arundel

City

Annapolis

Carrier

At&T Mobility

Prefix

(443) 996

County

Baltimore

City

Catonsville

Carrier

At&T Mobility

Prefix

(443) 997

County

Baltimore

City

Baltimore

Carrier

Verizon Communications

Prefix

(443) 998

County

Baltimore

City

Parkville

Carrier

T-Mobile

Prefix

(443) 999

County

-

City

Standard Plant Test Code

Carrier

Verizon Communications