Prefix
1-503-200
County
Multnomah
City
Portland
Carrier
Paetec
1-503-201
Verizon Wireless
1-503-202
Usa Mobility
1-503-203
Centurylink
1-503-204
1-503-205
Verizon Business
1-503-206
T-Mobile
1-503-207
Washington
Beaverton
Xo Communications
1-503-208
Bandwidth.com
1-503-209
Sprint
1-503-210
Clackamas
Neutral Tandem
1-503-211
-
Community Support And Referral Services
1-503-212
Integra Telecom
1-503-213
Level 3
1-503-214
1-503-215
1-503-216
1-503-217
Sherwood
1-503-218
Stafford-Sandy
1-503-219
1-503-220
1-503-221
1-503-222
1-503-223
1-503-224
1-503-225
1-503-226
1-503-227
1-503-228
1-503-229
1-503-230
1-503-231
1-503-232
1-503-233
1-503-234
1-503-235
1-503-236
1-503-237
1-503-238
1-503-239
1-503-240
1-503-241
1-503-242
1-503-243
1-503-244
1-503-245
1-503-246
1-503-247
1-503-248
1-503-249
1-503-250
1-503-251
1-503-252
1-503-253
1-503-254
1-503-255
1-503-256
1-503-257
1-503-258
1-503-259
Frontier
1-503-260
1-503-261
1-503-262
1-503-263
Canby-Needy
Canby Telephone Association
1-503-264
1-503-265
1-503-266
1-503-267
1-503-268
At&T
1-503-269
Marion
Salem
Metropcs
1-503-270
1-503-271
1-503-272
Government Camp
1-503-273
1-503-274
1-503-275
1-503-276
1-503-277
1-503-278
Integra
1-503-279
1-503-280
1-503-281
1-503-282
1-503-283
1-503-284
1-503-285
1-503-286
1-503-287
1-503-288
1-503-289
1-503-290
1-503-291
1-503-292
1-503-293
1-503-294
1-503-295
1-503-296
1-503-297
1-503-298
Clatsop
Astoria
At&T Mobility
1-503-299
