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).

  • 8153666700 | +1 815-366-6700 Illinois U.S.A.
  • 8153666701 | +1 815-366-6701 Illinois U.S.A.
  • 8153666702 | +1 815-366-6702 Illinois U.S.A.
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  • 8153666767 | +1 815-366-6767 Illinois U.S.A.
  • 8153666768 | +1 815-366-6768 Illinois U.S.A.
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  • 8153666773 | +1 815-366-6773 Illinois U.S.A.
  • 8153666774 | +1 815-366-6774 Illinois U.S.A.
  • 8153666775 | +1 815-366-6775 Illinois U.S.A.
  • 8153666776 | +1 815-366-6776 Illinois U.S.A.
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  • 8153666789 | +1 815-366-6789 Illinois U.S.A.
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  • 8153666794 | +1 815-366-6794 Illinois U.S.A.
  • 8153666795 | +1 815-366-6795 Illinois U.S.A.
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  • 8153666797 | +1 815-366-6797 Illinois U.S.A.
  • 8153666798 | +1 815-366-6798 Illinois U.S.A.
  • 8153666799 | +1 815-366-6799 Illinois U.S.A.