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 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.
State: Colorado - CO
Major City: Denver
Land area: 104,094 sq mi (269,837 km2)
Colorado - CO, The average home value is $216K.
Colorado - CO, The average resident's age is 49 y/o.
Colorado - CO, Income average is $41.5K.
State Population in Area Code 201: 5,540,545.
Latitude: 37°N to 41°N Longitude: 102°03'W to 109°03'W
Time zone in Area Code 201: Mountain 19:27:25.
Major Cities in 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