Area Codes: Illinois Area Code 464

Illinois Area Code 464

Authorized all the way in which again in 1999 by the Illinois Commerce Fee (ICC), the brand new 464 space code will probably be added as a reduction plan for Numbering Plan Space 708 which covers the world south of Chicago together with these bigger communities: Beecher, Berwyn, Chicago Heights, Cicero, Crest Hill, Crete, Hickory Hills, Oak Park, and so forth. All calls within the space will probably be dialed utilizing 1+10 digits with the activation of the brand new overlay complicated 708/464.

Key dates

  • April 24, 2021 – permissive 1+10 digit dialing started below the 988 project
  • October 24, 2021 – necessary 1+10 digit dialing begins (all calls, native or toll between telephone numbers in NPA 708 will probably be dialed utilizing 1+10 digits)
  • January 21, 2022 – the brand new space code 464 enters service

See official NANPA announcement and map of 708/464 overlay complex (PDF doc).

Go to area code 464 web page for an inventory of cities served, map and different information.