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).

  • 8153284000 | +1 815-328-4000 Illinois U.S.A.
  • 8153284001 | +1 815-328-4001 Illinois U.S.A.
  • 8153284002 | +1 815-328-4002 Illinois U.S.A.
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  • 8153284008 | +1 815-328-4008 Illinois U.S.A.
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  • 8153284064 | +1 815-328-4064 Illinois U.S.A.
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  • 8153284067 | +1 815-328-4067 Illinois U.S.A.
  • 8153284068 | +1 815-328-4068 Illinois U.S.A.
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  • 8153284070 | +1 815-328-4070 Illinois U.S.A.
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  • 8153284074 | +1 815-328-4074 Illinois U.S.A.
  • 8153284075 | +1 815-328-4075 Illinois U.S.A.
  • 8153284076 | +1 815-328-4076 Illinois U.S.A.
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  • 8153284078 | +1 815-328-4078 Illinois U.S.A.
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  • 8153284094 | +1 815-328-4094 Illinois U.S.A.
  • 8153284095 | +1 815-328-4095 Illinois U.S.A.
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  • 8153284097 | +1 815-328-4097 Illinois U.S.A.
  • 8153284098 | +1 815-328-4098 Illinois U.S.A.
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