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).

  • 8153665200 | +1 815-366-5200 Illinois U.S.A.
  • 8153665201 | +1 815-366-5201 Illinois U.S.A.
  • 8153665202 | +1 815-366-5202 Illinois U.S.A.
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  • 8153665264 | +1 815-366-5264 Illinois U.S.A.
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  • 8153665274 | +1 815-366-5274 Illinois U.S.A.
  • 8153665275 | +1 815-366-5275 Illinois U.S.A.
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  • 8153665294 | +1 815-366-5294 Illinois U.S.A.
  • 8153665295 | +1 815-366-5295 Illinois U.S.A.
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  • 8153665297 | +1 815-366-5297 Illinois U.S.A.
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  • 8153665299 | +1 815-366-5299 Illinois U.S.A.