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).

  • 8155534100 | +1 815-553-4100 Illinois U.S.A.
  • 8155534101 | +1 815-553-4101 Illinois U.S.A.
  • 8155534102 | +1 815-553-4102 Illinois U.S.A.
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  • 8155534110 | +1 815-553-4110 Illinois U.S.A.
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  • 8155534112 | +1 815-553-4112 Illinois U.S.A.
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  • 8155534119 | +1 815-553-4119 Illinois U.S.A.
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  • 8155534154 | +1 815-553-4154 Illinois U.S.A.
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  • 8155534167 | +1 815-553-4167 Illinois U.S.A.
  • 8155534168 | +1 815-553-4168 Illinois U.S.A.
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  • 8155534170 | +1 815-553-4170 Illinois U.S.A.
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  • 8155534173 | +1 815-553-4173 Illinois U.S.A.
  • 8155534174 | +1 815-553-4174 Illinois U.S.A.
  • 8155534175 | +1 815-553-4175 Illinois U.S.A.
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  • 8155534194 | +1 815-553-4194 Illinois U.S.A.
  • 8155534195 | +1 815-553-4195 Illinois U.S.A.
  • 8155534196 | +1 815-553-4196 Illinois U.S.A.
  • 8155534197 | +1 815-553-4197 Illinois U.S.A.
  • 8155534198 | +1 815-553-4198 Illinois U.S.A.
  • 8155534199 | +1 815-553-4199 Illinois U.S.A.