City of Chicago


815 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 8155341700 | +1 815-534-1700 Illinois U.S.A.
  • 8155341701 | +1 815-534-1701 Illinois U.S.A.
  • 8155341702 | +1 815-534-1702 Illinois U.S.A.
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  • 8155341767 | +1 815-534-1767 Illinois U.S.A.
  • 8155341768 | +1 815-534-1768 Illinois U.S.A.
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  • 8155341774 | +1 815-534-1774 Illinois U.S.A.
  • 8155341775 | +1 815-534-1775 Illinois U.S.A.
  • 8155341776 | +1 815-534-1776 Illinois U.S.A.
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  • 8155341794 | +1 815-534-1794 Illinois U.S.A.
  • 8155341795 | +1 815-534-1795 Illinois U.S.A.
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  • 8155341797 | +1 815-534-1797 Illinois U.S.A.
  • 8155341798 | +1 815-534-1798 Illinois U.S.A.
  • 8155341799 | +1 815-534-1799 Illinois U.S.A.