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Area Code 312 Map and Location

Area code 312 is located in . That is the approximate area that is served by this exchange.

Area Code 312 - Cities, Neighborhoods and Local Features

  • Chicago
  • Northbrook
  • Wheeling
  • Roselle
  • La Grange
  • Hinsdale
  • Unknown
  • Elgin
  • Burr Ridge
  • Bensenville

Area code 312 currently contains 798 valid local exchanges. Click an exchange below to get more information about the supported thousands digit of the phone number.s