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).
- Area code 303 is the original area code assigned to the entire state when the first nationwide telephone numbering plan was created in 1947. Today it only serves the greater Denver Metropolitan Area.
- Area codes 720 and 983 are overlay codes for today's 303 numbering plan area (NPA).
- Area code 719 serves Colorado Springs and southeastern Colorado.
- Area code 970 serves northern and western Colorado.
- Area code 748 will be introduced to the northern and western areas of Colorado in 2026.[2]
See also
References
- ↑ "Area Codes Map, Colorado". NANPA. Retrieved 2018-04-24.
- ↑ Zialcita, Paolo. "A new area code is coming to northern and western Colorado in 2026". Colorado Public Radio. Retrieved 2023-12-19.
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