Search results
List of Colorado area codes. Coordinates: 38.9972°N 105.5478°W. Clickable map of Colorado area codes in blue (with bordering states). [1] The U.S. state of Colorado is served by five telephone area codes of the North American Numbering Plan (NANP).
Clickable map of Colorado area codes in blue (with bordering states). Area codes 303, 720 and 983 are telephone area codes in the North American Numbering Plan for the north-central portion of the U.S. state of Colorado.
In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay for 937. Area code 283 was added as an overlay for 513 on April 28, 2023.
Sep 1, 2017 · Boulder, CO Area Codes: List, Map, and Phone Lookup. The city of Boulder is in the state of Colorado. It has the following active area codes:
Area codes 614 and 380 are telephone area codes in the North American Numbering Plan (NANP) for all or part of four counties in central Ohio, surrounding and including the state capital of Columbus.
Find local businesses, view maps and get driving directions in Google Maps.
People also ask
What area code is Boulder CO?
What area codes are in Colorado?
What area code did not border another state?
How many area codes are there in Ohio?
Why is area code 740 overlaid with 220?
Boulder, Colorado Area Code. Boulder, CO is officially utilizing an area code overlay in which area codes 303, 720 and 983 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
