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).

  • 8155343700 | +1 815-534-3700 Illinois U.S.A.
  • 8155343701 | +1 815-534-3701 Illinois U.S.A.
  • 8155343702 | +1 815-534-3702 Illinois U.S.A.
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  • 8155343764 | +1 815-534-3764 Illinois U.S.A.
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  • 8155343767 | +1 815-534-3767 Illinois U.S.A.
  • 8155343768 | +1 815-534-3768 Illinois U.S.A.
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  • 8155343774 | +1 815-534-3774 Illinois U.S.A.
  • 8155343775 | +1 815-534-3775 Illinois U.S.A.
  • 8155343776 | +1 815-534-3776 Illinois U.S.A.
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  • 8155343778 | +1 815-534-3778 Illinois U.S.A.
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  • 8155343794 | +1 815-534-3794 Illinois U.S.A.
  • 8155343795 | +1 815-534-3795 Illinois U.S.A.
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  • 8155343797 | +1 815-534-3797 Illinois U.S.A.
  • 8155343798 | +1 815-534-3798 Illinois U.S.A.
  • 8155343799 | +1 815-534-3799 Illinois U.S.A.