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1. www.allareacodes.com › illinois_area_codesIllinois area codes - Map, list, and phone lookup

   www.allareacodes.com › illinois_area_codes

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   Our area code lookup makes it easy to find area codes in Illinois. Includes area code listings of all Illinois area codes with corresponding cities.

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3. 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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   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

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

   www.wirefly.com › area-codes › illinois

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   There are two lists that Wirefly provides for the area codes in Illinois. The first table below shows the most populated cities in Illinois with the area codes listed next to them. The next table shows the all the Illinois state area codes by number with the names of the city they are used in.

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

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

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   List of All Area Codes in Illinois. Map Key. Area Code Number. Area Code 217.

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

   www.icc.illinois.gov › downloads › public

   Illinois Area Codes St. Louis Rockford Peoria Champaign Decatur East St. Louis Davenport Dubuque As of July 26, 2022 Hannibal Keokuk Burlington Bettendorf 773/872 Bloomington Effingham Harrisburg Paducah Carbondale Cape Girardeau Alton

7. npnr.org › area-code › ilArea Codes in Illinois - National Phone Number Registry

   npnr.org › area-code › il

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   4 days ago · Illinois area code map. View the complete list of all area codes in Illinois.

8. People also ask

   How many area codes are there in Illinois?

   • 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. The first table below shows the most populated cities in Illinois with the area codes listed next to them.

   Illinois Area Codes: List, Map, and Phone Lookup | Wirefly

   www.wirefly.com/area-codes/illinois

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   How many cities does AT&T cover in Illinois?

   • When first established by AT&T and the Bell System in 1947, 217 covered central Illinois, 312 covered the Chicago metropolitan area, 618 covered southern Illinois including East St. Louis and Carbondale, and 815 covered northern Illinois except Chicago and Quad Cities. The most recently added was 464 in 2022 as an overlay to 708.

   Illinois area codes - Map, list, and phone lookup

   www.allareacodes.com/illinois_area_codes.htm

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   What is area code 600 & 700?

   • Area codes 600 and 700 are reserved for special telecommunications services and receive little usage. For looking up information on a specific phone number, the free reverse phone lookup allows you to see the name and address of phone numbers listed in the white pages of phone books throughout the US.

   Area codes locator - Area code lookup by number or city

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9. www.allareacodes.comArea codes locator - Area code lookup by number or city

   www.allareacodes.com

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   To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.