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).

  • 8153484100 | +1 815-348-4100 Illinois U.S.A.
  • 8153484101 | +1 815-348-4101 Illinois U.S.A.
  • 8153484102 | +1 815-348-4102 Illinois U.S.A.
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  • 8153484110 | +1 815-348-4110 Illinois U.S.A.
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  • 8153484174 | +1 815-348-4174 Illinois U.S.A.
  • 8153484175 | +1 815-348-4175 Illinois U.S.A.
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  • 8153484194 | +1 815-348-4194 Illinois U.S.A.
  • 8153484195 | +1 815-348-4195 Illinois U.S.A.
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  • 8153484197 | +1 815-348-4197 Illinois U.S.A.
  • 8153484198 | +1 815-348-4198 Illinois U.S.A.
  • 8153484199 | +1 815-348-4199 Illinois U.S.A.