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).

  • 8153485100 | +1 815-348-5100 Illinois U.S.A.
  • 8153485101 | +1 815-348-5101 Illinois U.S.A.
  • 8153485102 | +1 815-348-5102 Illinois U.S.A.
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  • 8153485110 | +1 815-348-5110 Illinois U.S.A.
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  • 8153485167 | +1 815-348-5167 Illinois U.S.A.
  • 8153485168 | +1 815-348-5168 Illinois U.S.A.
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  • 8153485174 | +1 815-348-5174 Illinois U.S.A.
  • 8153485175 | +1 815-348-5175 Illinois U.S.A.
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  • 8153485194 | +1 815-348-5194 Illinois U.S.A.
  • 8153485195 | +1 815-348-5195 Illinois U.S.A.
  • 8153485196 | +1 815-348-5196 Illinois U.S.A.
  • 8153485197 | +1 815-348-5197 Illinois U.S.A.
  • 8153485198 | +1 815-348-5198 Illinois U.S.A.
  • 8153485199 | +1 815-348-5199 Illinois U.S.A.