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Colorado currently utilizes 5 area codes. When first established by AT&T and the Bell System in 1947, 303 covered the entire state of Colorado. The most recently added was 983 in 2022 as an overlay to 303. Today, 303 is the most populated with an estimated 2.9 million of the state's 5 million residents.
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.
Area Codes>. Colorado>. Boulder. The city of Boulder is in the state of Colorado. It has the following active area codes: 720.
The numbering plan area comprises Denver and Boulder, as well as their surrounding suburbs, including Lakewood, Littleton, Longmont, Broomfield, Aurora, and Castle Rock. Area code 303 is the original area code, while area codes 720 and 983 were added (in 1998 and 2022 respectively) to form an overlay complex for the area, meaning that the same ...
33.07. * Demographic data is based on information taken from the 2010 Census as is Derived from our ZIP Code Database Products. Lookup area code information for BOULDER, CO. Get the NPA NXX (area code and prefix) as well as much more data for BOULDER, CO.
List of Area Codes in Texas (2023) Area Code Сities and Regions The date of establishment; 210: San Antonio area; overlays with 726: November 1, 1992: 214: Dallas area, overlays with 469, 972, and 945: October 1947: 254: Waco, Killeen, Temple, Belton, Stephenville and North Texas: May 25, 1997: 281: Houston area, overlays with 346, 713, and ...
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Wiggins 970. Willard 970. Windsor 970. Woodrow 970. Wray 970. Yampa 970. Yuma 970. Get a full list of Colorado area codes. Check out the area’s map, the current time, and area codes listed by city.
