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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.
Area code 719 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Colorado. The numbering plan area (NPA) includes Colorado Springs , Pueblo , Monument , Leadville , Alamosa , Monte Vista , the San Luis Valley , Cañon City , Trinidad , Rocky Ford , La Junta , Walsenburg and southeastern Colorado.
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 codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
The map to the right is now clickable; click on an area code to go to the page for that code, or use the text links below. Map of Colorado area codes in blue (with border states) Pages in category "Area codes in Colorado"
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 Park, Fort Collins, Glenwood Springs, Grand Junction, Greeley, Loveland, Silverthorne, Steamboat Springs, and Vail. It ...
The El Paso County Telephone Company is a small telephone company based in Colorado Springs, Colorado and owned by Qwest Corporation, a subsidiary of Lumen Technologies. It was founded in 1915 as El Paso County Mutual Telephone Company. In 1975, the company changed its name to The El Paso County Telephone Company.
In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los Angeles. [23] Area code handbook issued by many telephone companies in 1962 to promote the newly introduced direct distance dialing.