Where is area code 303? Area code 303 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It has 2 overlays (720 and …

4 days ago · One person has died and others were injured after a four-vehicle crash on Friday afternoon on State Route 303 at Grand Avenue.

The Arizona Department of Public Safety says the crash happened around 4 p.m. on the northbound lanes of the Loop 303 near the Grand Avenue exit.

3 days ago · DPS says one person was killed and multiple people were transported with injuries after a crash on the Loop 303 Friday afternoon. Preliminary info shows that a pickup truck rear …

Mar 9, 2025 · 303 is an area code located in the state of Colorado, US. The largest city it serves is Denver. Find out where 303 area code zone from, which states, counties and cities it covers. …

Area code 303 was one of the original North American area codes of 1947, and originally served the entire state of Colorado. It remained the state's sole area code for 40 years.

Browse area code 303 phone numbers, prefixes and exchanges. The 303 area code serves Denver, Englewood, Aurora, Westminster, Boulder, covering 67 ZIP codes in 14 counties.

Find 303 area code details including city, time zone, and map. Lookup area code 303 phone number, name, and location.

4 days ago · Area code 303 is located in Colorado. Get area code location and dialing plans for all phone prefixes in area code 303.

Area code 303 is a central Colorado area code that covers Denver, Boulder and their surrounding areas. Area code 303 overlays the area code of 720. Cities that use 303 area code and a …