Jan 1, 2026 · Important 720 Area Code Information Area Code 720 is located in Colorado. It covers 25 cities, including Denver, Aurora, Thornton, Arvada, and Longmont. It also covers 10 counties, …

About area code 720: location, common spam callers, related area codes, and more. Includes 720 reverse phone lookup to identify spam callers.

Area codes 720 and 983 were added in 1998 and 2022, respectively, to form an overlay complex for the area, meaning that the same geographic service area is served by all area codes and that ten-digit …

Browse area code 720 phone numbers, prefixes and exchanges. The 720 area code serves Denver, Englewood, Westminster, Aurora, Boulder, covering 41 ZIP codes in 8 counties.

Find 720 area code details including city, time zone, and map. Lookup area code 720 phone number, name, and location.

Area code 720 is located in Colorado. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

List of ZIP Codes in Area Code 720 ... List of Counties in Area Code 720 ... List of Major Cities/Towns in Area Code 720

5 days ago · 720 is an area code located in the state of Colorado, US. The largest city it serves is Denver. Find out where 720 area code zone from, which states, counties and cities it covers. Get the …

Denver, Boulder, Lakewood, and Westminster all use the same 720 area code. The area code 720 was created in 1998 as an overlay to the original 303 code. The 303 code was Colorado’s first area code …

Area code 720 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Colorado. Below you will find more info about Code and also zip codes, counties, cities and …