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Clickable map of Colorado area codes in blue (with bordering states). The U.S. state of Colorado is served by five telephone area codes of the North American Numbering Plan (NANP). Area code 303 is the original area code assigned to the entire state when the first nationwide telephone numbering plan was created in 1947.
Clickable map of Colorado area codes in blue (with bordering states). [1] 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. The numbering plan area comprises Denver and Boulder, as well as their surrounding suburbs, including Lakewood, Littleton ...
Boulder is a home rule city in and the county seat of Boulder County, Colorado, United States. [1] With a population of 108,250 at the 2020 census, it is the most-populous city in the county and the 12th-most populous city in Colorado. [6] Boulder is the principal city of the Boulder metropolitan statistical area, which had 330,758 residents in ...
Sep 1, 2017 · Boulder, CO Area Codes: List, Map, and Phone Lookup. Area Codes >. Colorado >. Boulder. The city of Boulder is in the state of Colorado. It has the following active area codes: 720.
Description: Colorado area code map showing the counties of the state along with their area code. List of Area Codes in Colorado. 719 Area Code. 970 Area Code. County List of Area Code 303. Adams Area code. Arapahoe Area code. Boulder Area code. Broomfield 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. In addition to Boulder, CO area code information read more about area codes 303 , 720 , 983 details and Colorado area codes .
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Boulder is a city in the state of Colorado, in the United States. It is the county seat [8] of Boulder County. Boulder is in the foothills of the Rocky Mountains. The city's height is 5,430 feet (1,660 m). It is 25 miles (40 km) northwest of Denver. In 2020, there were 108,250 people living the City of Boulder. [9]
