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Illinois - Chicago

Illinois Area Codes

Last Change 2009

-- Next Changes --
Late 2017? - 464 overlays 708
Fall 2019? - 447 overlays 217
Early 2022? - 730 overlays 618

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