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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 630To browse all area codes, we have a list of all United States area codes by state and area codes by number. The area code list includes a printable copy that you can print and use for reference. For international numbers, we also include Canadian area codes.
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.
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.
Aug 5, 2020 · To find phone numbers, area code information, and area code maps, see our White Pages.
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This is a list of the area codes in the state of Illinois and the geographic area of each numbering plan area: * 217/447: Central Illinois, and part of Southern Illinois running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa.
