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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]
Coordinates: 47°37′9.37″N 122°20′28.38″W. Numbering plan areas of Washington, with 206 highlighted in red. Area code 206 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Washington. The numbering plan area (NPA) includes Seattle and most of its innermost suburbs.
Created conflicts in area code regions that allowed seven-digit dialling and had been using numbers beginning in 988; a total of 82 area codes switched to ten-digit dialling as a result. 989: Michigan (Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, and a part of central Michigan) April 7, 2001: split of 517; 990–999
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 ...
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 code 606 is a telephone area code serving the eastern half of south-central and all of the eastern part of the Commonwealth of Kentucky. Cities and towns in the area code include Ashland, Morehead, Hazard, Middlesboro, Somerset, Stanford, London, Corbin, Greenup, Paintsville, Pikeville and Maysville. Most of its service area lies within ...
Area code 406 is the telephone area code in the North American Numbering Plan for the entire U.S. state of Montana. It has been Montana's only area code since the American Telephone and Telegraph Company created a nationwide telephone numbering plan in 1947. As of 2013, there were 1.7 million lines served by 47 carriers; all but two wireline ...
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 lookup 206 number