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).

  • 8153289500 | +1 815-328-9500 Illinois U.S.A.
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  • 8153289502 | +1 815-328-9502 Illinois U.S.A.
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  • 8153289575 | +1 815-328-9575 Illinois U.S.A.
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  • 8153289595 | +1 815-328-9595 Illinois U.S.A.
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  • 8153289599 | +1 815-328-9599 Illinois U.S.A.