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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 217/447 : Central Illinois, including the region running west from the Illinois-Indiana border through Danville , Effingham , Champaign–Urbana , Decatur , Springfield , Quincy until Illinois ...
Chicago, IL has the following Exchanges (NXX) List of all area codes in Chicago, IL. Chicago, IL area code map, list, and phone lookup.
Illinois currently utilizes 15 area codes. 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
Lookup area code information for CHICAGO, IL. Get the NPA NXX (area code and prefix) as well as much more data for CHICAGO, IL.
Find the local area code for Chicago, Illinois. Our complete calling resource guide instantly gives you the the Chicago area code and local time to help you make your long distance call to Chicago, Illinois.
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.
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. Title: Telephone Illustrator Map.ai Created Date:
