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Area Code 303 Prefixes

Area Code 303 Information

The 303 Area Code (or Area Code 303) is located in the state of CO. Area Code 303 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 3.1 million unique phone numbers and 10.9 million individuals near the city of Denver

Area Code 303 History

Area code 303 was put into service. In 1988 Area code 303 was split to form area code 719. In 1995 area code 303 was split to form area code 970. In 1998 area code 303 was overlaid with area code 720.

There are other places with the same area code 303:

Aurora, CO>Boulder, CO>Brighton, CO>Broomfield, CO>Castle Rock, CO>Castlewood, CO>Columbine, CO>Commerce City, CO>Denver, CO>Englewood, CO>Highlands Ranch, CO>Ken Caryl, CO>Lafayette, CO>Lakewood, CO>Littleton, CO>Longmont, CO>Loveland, CO>Northglenn, CO>Parker, CO>Southglenn, CO>Thornton, CO>Westminster, CO>Wheat Ridge, CO

$216K
Average property valuation
The average home value is $216K.
49 y/o
Average Age
The average resident's age is 49 y/o.
$41.5K
Residents' average wealth
Income average is $41.5K.        
5,540,545
Colorado - CO Population
Population in Area Code 303: 5,540,545.
Colorado - CO
Latitude: 37°N to 41°N Longitude: 102°03'W to 109°03'W
Mountain 14:15:23
Time zone
Time zone in Area Code 303: Mountain 14:15:23.