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).

  • 8152875100 | +1 815-287-5100 Illinois U.S.A.
  • 8152875101 | +1 815-287-5101 Illinois U.S.A.
  • 8152875102 | +1 815-287-5102 Illinois U.S.A.
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  • 8152875110 | +1 815-287-5110 Illinois U.S.A.
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  • 8152875112 | +1 815-287-5112 Illinois U.S.A.
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  • 8152875174 | +1 815-287-5174 Illinois U.S.A.
  • 8152875175 | +1 815-287-5175 Illinois U.S.A.
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  • 8152875195 | +1 815-287-5195 Illinois U.S.A.
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  • 8152875197 | +1 815-287-5197 Illinois U.S.A.
  • 8152875198 | +1 815-287-5198 Illinois U.S.A.
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