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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.
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.
* Population: 4,301,261 * White Population: 3,560,005 * Black Population: 165,063 * Hispanic Population: 735,601 * Asian Population: 95,213 * Hawaiian Population:
May 21, 2024 · Area code 303 is an area code that is part of Colorado. It is one of the earliest area codes ever made in 1947. It used to cover the entire state of Colorado, but after it was split by 719 in 1988 and 970 in 1995, it now covers the middle area of the state, specifically in the Denver and Boulder area.
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.
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 ...
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The 303 area code serves Denver, Boulder, Aurora, Golden, Lakewood, Littleton, Englewood and other cities and towns throughout the state. The 303 area code has been split twice since its inception in order to accommodate population growth. In 1988 it was split with parts going to 719 and 970; then again in 1995 when 720 was added to serve areas ...
