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Area codes 815 and 779 are telephone area codes in the North American Numbering Plan (NANP) for most of northern Illinois outside the Quad Cities areas. It also serves the Joliet area and some of Chicago’s western and northwestern suburbs. 815 was one of the four original Illinois area codes set up in 1947.
- List of Illinois area codes
In the group of original North American area codes,...
- Area code 815
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- List of Illinois area codes
Vor 2 Tagen · 815 is an area code located in the state of Illinois, US. The largest city it serves is Rockford. Location, time zone and map of the 815 area code
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- UTC/GMT -6:00 hours
This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). An area code is part of a telephone number in the United States, Canada, and the Caribbean.
List of area codes in Russia. Toll-free & pay-line codes. Special numbers (emergencies) See also. Notes. References. Telephone numbers in Russia are administered by Roskomnadzor, and Ministry of Digital Development, Communications and Mass Communications of the Russian Federation. [1] .
History. The first nationwide telephone numbering plan of 1947 divided Ohio into four numbering plan areas (NPAs), one each for a quadrant of the state: 216, 419, 513, and 614. In 1996, 330 and 937 were added by splitting existing NPAs. In 1997, 440 and 740 were added in additional area code splits.
