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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 217 and 447 are telephone area codes in the North American Numbering Plan (NANP) for much of the central part of the U.S. state of Illinois. 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 ...
split of 405 and to give Oklahoma two area codes, one centered on Oklahoma City and the other centered on Tulsa; 2011: overlaid by 539; 919: North Carolina (the Research Triangle, including Raleigh, the state capital city; Durham, Cary, and Chapel Hill; and Goldsboro and other parts of north-central North Carolina) 1954
The new area code was one of the first area codes not serving an entire state, but having the digit 0 in the middle position of the code. It was the only new area code created in Illinois between 1947 and the 1989 creation of area code 708. [2] In preparation of an overlay plan with the new area code 779, all calls from the 815 area needed to ...
Area codes 217 and 447; Area codes 309 and 861; Area code 312; Area code 447; Area codes 618 and 730; Area codes 630 and 331; Area codes 708 and 464; Area code 773; Area codes 815 and 779; Area codes 847 and 224; Area code 872
The red fields are the NPAs that hosted the Regional Centers for toll-switching established in the General Toll Switching Plan of 1929: [2] New York City (212), Los Angeles (213), Dallas (214), Chicago (312), St. Louis (314), and San Francisco (415) in the multi-NPA states, and in Denver (303) and Atlanta (404) in states with just a single area ...
Area codes of Illinois. Area codes 309 and 861 are telephone area codes in the North American Numbering Plan (NANP) for the west-central part of the U.S. state of Illinois.The numbering plan area includes cities such as Bloomington, Canton, East Moline, East Peoria, Galesburg, Geneseo, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria, Rock Island, Silvis, and many smaller ...
Area code 847 was created on January 20, 1996, in a three-way split of area code 708. Area code 847 was involved in the first trial of telephone number pooling in the United States in June 1998, to avert central office code exhaustion in the numbering plan area. [1] Nevertheless, within only five years, 847 was already close to exhaustion from ...