303 Area Code Prefixes
303 Area Code Map and Stats

Top cities with a 303 Area Code

Where is the 303 Area Code?

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 1,091 unique phone numbers and 2,601 individuals near the city of Denver

Location & Map

Most numbers within Area Code 303 are located in the following cities: Denver, Aurora, Brighton, Fort Lupton, Sedalia, Longmont, Hudson, Silver Plume, Keenesburg, Strasburg, Bennett, Deer Trail, Lyons, Byers, Roggen.

Time Zone & Current Time

The 303 area code lies within the Mountain Standard Time (or MST). The current time in Mountain Standard Time is 07:58 AM on 07/29/2015.

Top Cities

Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Denver, Aurora, Denver, Denver, Denver, Denver, and Brighton

Population Demographics

The 303 Area Code is one of the telephone area codes supported by Spokeo's Reverse Phone Lookup technology. Spokeo's reverse phone lookup functions much like a personal caller-ID system, and can identify the owner of virtually any phone number in the continental United States. Spokeo gathers hundreds of millions of listed phone records and potentially presents the owner's full name, address, email, photos, and any other information that may be associated with the record. Try searching for any 303 Area Code phone number today, and discover what Spokeo can do for you.


Denver, CO
Neighborhood statistics for Denver, CO
Avg. Property Value
Avg. Household Income
Top Occupations
22% Sales
21% Service
Average Age
56 years old
49% Female
Top Ethnicities
54% Hispanic
42% Caucasian

About Denver, CO

The City and County of Denver (pronounced ) is the capital and the most populous city of the U.S. state of Colorado. Denver is a consolidated city-county, located in the South Platte River Valley on the western edge of the High Plains just east of the Front Range of the Rocky Mountains. The Denver downtown district is located immediately east of the confluence of Cherry Creek with the South Platte River, approximately 12.3 mi east of the foothills of the Rocky Mountains. Denver is nicknamed the "Mile-High City" because its official elevation is exactly one mile (1.6 km) or 5280 ft above sea level. The 105th meridian west of Greenwich passes through Union Station and is the temporal reference for the Mountain Time Zone. The population of Denver was 600,158 according to the 2010 census. According to 2009 Census estimates, Denver was the 26th most populous U.S. city. The 10-county Denver-Aurora-Broomfield, CO Metropolitan Statistical Area had an estimated 2009 population of 2,552,195 and ranked as the 21st most populous U.S. metropolitan statistical area and the 12-county Denver-Aurora-Boulder Combined Statistical Area had an estimated 2009 population of 3,110,436 and ranked as the 16th most populous U.S. metropolitan area. Denver is the most populous city within a 700 mi radius and the second-largest city in the Mountain West and Southwest after Phoenix. Denver is the most populous city in the Front Range Urban Corridor, an urban region stretching across 18 counties in two states, and the second-largest in area after Colorado Springs. The population of the Front Range Urban Corridor was estimated to be 4,328,406 in 2009.