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).

  • 8153525100 | +1 815-352-5100 Illinois U.S.A.
  • 8153525101 | +1 815-352-5101 Illinois U.S.A.
  • 8153525102 | +1 815-352-5102 Illinois U.S.A.
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  • 8153525110 | +1 815-352-5110 Illinois U.S.A.
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  • 8153525168 | +1 815-352-5168 Illinois U.S.A.
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  • 8153525174 | +1 815-352-5174 Illinois U.S.A.
  • 8153525175 | +1 815-352-5175 Illinois U.S.A.
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  • 8153525194 | +1 815-352-5194 Illinois U.S.A.
  • 8153525195 | +1 815-352-5195 Illinois U.S.A.
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  • 8153525197 | +1 815-352-5197 Illinois U.S.A.
  • 8153525198 | +1 815-352-5198 Illinois U.S.A.
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