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The numbering plan area (NPA) includes the state capital, Springfield, and Champaign, Urbana, Decatur, Taylorville, Lincoln, Danville, Effingham, Quincy, Rantoul, and Jacksonville. 217 was one of the original North American area codes created in 1947 and 447 was added to the same area in 2021 to form an all-services overlay.
This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan.. All NPAs within Illinois. 217/447: Central Illinois, including the region running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa
Area codes in Illinois This page was last edited on 11 January 2021, at 19:55 (UTC) . Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ; additional terms may apply.
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.
Area codes 573 and 235 are telephone area codes in the North American ... NANPA area code map of Missouri ; ... Illinois area codes: 217/447, 309/861, 312, 630/ ...
This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters .
Area codes 847 and 224 are telephone area codes in the ... NANPA area code map of Illinois ... Illinois area codes: 217/447, 309/861, 312, 630/331, 618/730, 708/464 ...
Area code 307 is the telephone area code in the North American ... 329, 447; Sheridan: 429, 461, 533, 655 ... NANPA area code map of Wyoming ; Wyoming ...