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  2. List of Illinois area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Illinois_area_codes

    With the depletion of new numbers in area codes 312 and 773, an overlay of both of them, area code 872, was created in November 2009, beginning ten-digit dialing within the city limits of Chicago. The remaining area without an overlay in the northern part of Illinois, 708, eventually received such with area code 464 taking effect on January 21 ...

  3. Area codes 217 and 447 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_217_and_447

    In 2006, the Illinois Commerce Commission approved an all-services overlay for the numbering plan area, adding new area code 447 in 2021. [ 3 ] [ 4 ] As of March 27, 2021, new central office codes are available for activation by service providers.

  4. Category:Area codes in Illinois - Wikipedia

    en.wikipedia.org/.../Category:Area_codes_in_Illinois

    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

  5. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Tennessee (most of West Tennessee, excluding Metropolitan Memphis and Shelby County (area code 901), but including Dyersburg, Jackson, Martin, Paris, Union City, and Crockett County) February 12, 2001: split of 901; 732: New Jersey (New Brunswick, Lakewood, Neptune, Fort Dix, and most of east-central New Jersey) June 1, 1997: split of 908; 2001 ...

  6. Area code 872 - Wikipedia

    en.wikipedia.org/wiki/Area_code_872

    All NPAs within Illinois. Area code 872 is a telephone area code in the North American Numbering Plan for Chicago in the U.S. state of Illinois. It is an overlay code for a numbering plan area that comprises those of area codes 312 and 773. The overlay commenced service on November 7, 2009. [1]

  7. Area codes 309 and 861 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_309_and_861

    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 ...

  8. Area codes 815 and 779 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_815_and_779

    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 be dialed with an area code beginning on February 17, 2007. A month later, area code 779 was activated.

  9. Area codes 708 and 464 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_708_and_464

    The northern suburbs received area code 847, while the western suburbs were assigned area code 630. Area code 708 was Illinois' first new area code since 309 had been created in 1957, and the second new code for the state since the announcement of the original North American area codes in 1947, when the state was divided into four numbering ...