Area code 580

Map of Oklahoma with area code 580 in Red

Area code 580 serves most of southern and western Oklahoma, including Ada, Boise City, Lawton, Enid, Ponca City, Altus, Frederick, Weatherford, Guymon, Durant, and Ardmore.

580 was created by splitting from area code 405 on November 1, 1997.[1] 405 was retained by the urban core of central Oklahoma, including Oklahoma City, The state's other area codes, 539/918, serve the northeast, including Tulsa.

With the great majority of the old 405's landlines being in the Oklahoma City metropolitan area, the 1997 split made 580 one of the most thinly populated area codes in the nation. Under current projections, 580 will stay in its current configuration until at least 2029. Once 572 overlays 405 come January 2021, this will be the only one in Oklahoma to still use 7-digit dialling.

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Oklahoma area codes: 405, 539/918, 580
North: 719, 620, 539/918
West: 575, 806, 940 area code 580 East: 539/918, 405, 870
South: 940, 430/903
Colorado area codes: 303/720, 719, 970
Kansas area codes: 316, 620, 785, 913
Arkansas area codes: 479, 501, 870
Texas area codes: 210/726, 214/469/972, 254, 281/346/713/832, 325, 361, 409, 430/903, 432, 512/737, 682/817, 806, 830, 915, 936, 940, 956, 979
New Mexico area codes: 505, 575

Coordinates: 35°30′N 99°00′W / 35.5°N 99.0°W / 35.5; -99.0