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- Illinois area codes includes 217, 309, 312, 618, 630, 708, 773, 815, 847.
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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.
United States Phone Code: 1. Springfield Area Code: 417. Springfield Dial Code: +1 417
CityArea CodeDialing CodeAlgonquin847+1 847Alton730+1 730Arlington Heights847+1 847Aurora630+1 630Illinois 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.
IL - Illinois. US. Lookup any phone number or cell phone number. Help prevent & stop phone scams. View the complete list of all area codes in Illinois.
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.
Find Illinois area codes by city or lookup which cities belong to an area code. Illinois area codes includes 217, 309, 312, 618, 630, 708, 773, 815, 847.
Aug 5, 2020 · To find phone numbers, area code information, and area code maps, see our White Pages.
