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No further changes took place for 33 years. In 1989, area code 708 was created for all of the suburbs in the Chicago metropolitan area while the city of Chicago kept the original 312. Area codes 847 (northern suburbs) and 630 (western suburbs) were created from a split of suburban area code 708 in 1996.
An Interactive Map of All Illinois Area Codes - July 2024.
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.
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.
Granite City Kankakee Moline Pekin Quincy Urbana Beloit Clinton Muscatine Springfield 815/779 847/224 630/331 708/464 309/861 217/447 618/730 312/872 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 ...
Lookup area codes by state. View our Illinois area code information.
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.
