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Area Code 312

January 18, 2021 allcitycodes Telephone Codes 0

Where is area code 312 located?

Below you will find a list of all cities covered by area code 312 in Illinois.

  • Chicago, IL

Read more:

  • Area Code 708
  • Area Code 706
  • Area Code 815
  • Area Code 830
  • Area Code 810
  • Area Code 816
  • Area Code 812
  • Area Code 804
  • Area Code 813
  • Area Code 715