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1. en.wikipedia.org › wiki › List_of_Illinois_area_codesList of Illinois area codes - Wikipedia

   en.wikipedia.org › wiki › List_of_Illinois_area_codes

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   In the group of original North American area codes, established in 1947, all of the Chicago metropolitan area was part of numbering plan area 312, the rest of northern Illinois was 815, central Illinois was 217, and southern Illinois was 618.

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3. the50unitedstates.com › area-codes › illinoisIllinois Area Codes - The 50 United States

   the50unitedstates.com › area-codes › illinois

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   Illinois Area Codes. Illinois has 12 area code (s). Clicking on an area code below will show you the Illinois cities in that area code. AreaCodeLookup.co. Visit AreaCodeLookup.co for reverse phone number lookups, and find area code locations by US phone numbers, city or state. 217. 224. 309. 312. 331. 618. 630. 708. 773. 779. 815. 847.

4. www.mapsofworld.com › usa › area-codesIllinois Area Codes Map - Maps of World

   www.mapsofworld.com › usa › area-codes

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   Illinois area codes map gives information about all the area codes of Illinois state along with their counties list.

5. www.wirefly.com › area-codes › illinoisIllinois Area Codes: List, Map, and Phone Lookup | Wirefly

   www.wirefly.com › area-codes › illinois

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   Illinois Area Codes: List, Map, and Phone Lookup. There are 13 active area codes in the state of Illinois. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Illinois.

6. www.zipdatamaps.com › area-codes › map-of-allIllinois Area Codes - Zipdatamaps

   www.zipdatamaps.com › area-codes › map-of-all

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   An Interactive Map of All Illinois Area Codes - September 2024.

7. www.50states.com › areacodes › illinoisIllinois Area Codes - 50states.com

   www.50states.com › areacodes › illinois

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   Find Illinois area codes by city or lookup which cities belong to an area code.

8. www.icc.illinois.gov › downloads › publicIllinois Area Codes

   www.icc.illinois.gov › downloads › public

   708/464. Bourbonnais. 309/861. Galesburg Monmouth Burlington Macomb Keokuk. Quincy. Hannibal Jacksonville Alton.