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Area Code 815 Location - Illinois

The reverse lookup USA database contains information such as name, address, location and carrier for most of the USA phone numbers.

Area Code 815 Map and Location

Area Code 815, Illinois Cities, Neighborhoods and Local Features

  • Belvidere
  • Crystal Lake
  • DeKalb
  • Freeport
  • Joliet
  • Kankakee
  • Loves Park
  • Machesney Park
  • McHenry
  • Rockford
  • Romeoville
  • Woodstock


Area code 815 currently contains valid local exchanges. Click an exchange below to get more information about the supported thousands digit of the phone number.