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).

  • 8153664000 | +1 815-366-4000 Illinois U.S.A.
  • 8153664001 | +1 815-366-4001 Illinois U.S.A.
  • 8153664002 | +1 815-366-4002 Illinois U.S.A.
  • 8153664003 | +1 815-366-4003 Illinois U.S.A.
  • 8153664004 | +1 815-366-4004 Illinois U.S.A.
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  • 8153664006 | +1 815-366-4006 Illinois U.S.A.
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  • 8153664008 | +1 815-366-4008 Illinois U.S.A.
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  • 8153664055 | +1 815-366-4055 Illinois U.S.A.
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  • 8153664064 | +1 815-366-4064 Illinois U.S.A.
  • 8153664065 | +1 815-366-4065 Illinois U.S.A.
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  • 8153664067 | +1 815-366-4067 Illinois U.S.A.
  • 8153664068 | +1 815-366-4068 Illinois U.S.A.
  • 8153664069 | +1 815-366-4069 Illinois U.S.A.
  • 8153664070 | +1 815-366-4070 Illinois U.S.A.
  • 8153664071 | +1 815-366-4071 Illinois U.S.A.
  • 8153664072 | +1 815-366-4072 Illinois U.S.A.
  • 8153664073 | +1 815-366-4073 Illinois U.S.A.
  • 8153664074 | +1 815-366-4074 Illinois U.S.A.
  • 8153664075 | +1 815-366-4075 Illinois U.S.A.
  • 8153664076 | +1 815-366-4076 Illinois U.S.A.
  • 8153664077 | +1 815-366-4077 Illinois U.S.A.
  • 8153664078 | +1 815-366-4078 Illinois U.S.A.
  • 8153664079 | +1 815-366-4079 Illinois U.S.A.
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  • 8153664094 | +1 815-366-4094 Illinois U.S.A.
  • 8153664095 | +1 815-366-4095 Illinois U.S.A.
  • 8153664096 | +1 815-366-4096 Illinois U.S.A.
  • 8153664097 | +1 815-366-4097 Illinois U.S.A.
  • 8153664098 | +1 815-366-4098 Illinois U.S.A.
  • 8153664099 | +1 815-366-4099 Illinois U.S.A.