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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]
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 , Longmont , Broomfield , Aurora , and Castle Rock .
Area code 970. Coordinates: 39°N 106°W. Clickable map of Colorado area codes in blue (with bordering states). [ 1] Area code 970 is a telephone area code in the North American Numbering Plan (NANP) for most of the western and northern parts of the U.S. state of Colorado. The numbering plan area includes Aspen, Breckenridge, Durango, Estes ...
It was created in a split of area code 303 on March 5, 1988. [2] While 303 had been Colorado's sole area code for 40 years, the state's explosive growth in the second half of the 20th century made it apparent that the state would need another area code. 719 was split off when an impending number shortage meant the split could no longer be ...
10. In 1876, San Juan County became the last county created by the Territory of Colorado, bringing the total number of territorial counties to 26. 11. In 1877, Ouray County became the first county created by the new State of Colorado. 12. Carbonate County was the shortest lived former Colorado county, existing only two days in 1879 before being ...
this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997. was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled. 2009: overlaid by 442. 761.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.
Area codes 303, 720, and 983. Area code 719. Area code 970. Categories: Communications in Colorado. Area codes in the United States by state.
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related to: colorado area code numbers