State
Colorado
Major City
Denver
Time Zone
America/Denver
Current Time
7:35 PM
720 Area Code
Reverse Phone Lookup
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Area Code info
Where is Area Code 720?
The 720 area code is located in the state of Colorado . 720 is one of the 357 three-digit telephone area codes in the USA. It covers roughly 941,748 unique phone numbers and 5,839,926 individuals near the cities of Denver, Arvada, Aurora in our database.
Cities in the 720 Area Code
The most populous cities in area code 720 are
Denver
713.3kAurora
393.3kThornton
143.3kArvada
121.7k Other cities in area code 720 include
Boulder
Longmont
Littleton
Brighton
Englewood
Golden
Lone Tree
Evergreen
Fort Lupton
Strasburg
Bennett
Lyons
Hudson
Idaho Springs
Keenesburg
Byers
Deer Trail
Allenspark
Jamestown
Black Hawk
720 Area Code Time Zone
This time zone is known as the Mountain Standard Time (MST). The current time in this time zone is 7:35 PM on Jun 19, 2025.
In Service Date: Jun 1, 1998
720 Area Code Demographics
Statistics based on US Census data for the 720 area code
37.7
Median Age
$89.3k
Median Income
$531.1k
Median Home Value
5.8M
Total People
Nearby Area Codes
Phone Numbers
2,551,891
State
Colorado
Major City
Denver
Phone Numbers
1,726,793
State
New York
Major City
Buffalo
Phone Numbers
2,104,355
State
Pennsylvania
Major City
Lancaster
Phone Numbers
3,332,295
State
New York
Major City
New York
Phone Numbers
1,086,052
State
Colorado
Major City
Colorado Springs
Phone Numbers
1,511,758
State
Pennsylvania
Major City
New Castle
Phone Numbers
2,322
State
Nevada
Major City
Las Vegas
Phone Numbers
1,114,491
State
Colorado
Major City
Fort Collins
Reverse Phone Lookup 720-XXX-XXXX
Find out who the 720 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.
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Browse Phone Number Prefixes in the 720 Area Code
Landlines
621Wireless Prefixes
85Carriers
36Countries
8ZIP Codes
40