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Illinois - Chicago

Illinois Area Codes

Last Change 2022

-- Next Changes --
Spring 2024 - 730 overlays 618
Late 2024 - 861 overlays 309
2030 - 847/224
2034 - 815/779
2035 - 217/447
2040 - 312/773/872
2053 - 630/331
2056 - 708/464


Area code boundries on this page are based on information from 1994 and may not be 100% accurate.

Written / Compiled for Telecom Chicago
a part of Telecom Indiana