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).

  • 8153281100 | +1 815-328-1100 Illinois U.S.A.
  • 8153281101 | +1 815-328-1101 Illinois U.S.A.
  • 8153281102 | +1 815-328-1102 Illinois U.S.A.
  • 8153281103 | +1 815-328-1103 Illinois U.S.A.
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  • 8153281111 | +1 815-328-1111 Illinois U.S.A.
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  • 8153281168 | +1 815-328-1168 Illinois U.S.A.
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  • 8153281174 | +1 815-328-1174 Illinois U.S.A.
  • 8153281175 | +1 815-328-1175 Illinois U.S.A.
  • 8153281176 | +1 815-328-1176 Illinois U.S.A.
  • 8153281177 | +1 815-328-1177 Illinois U.S.A.
  • 8153281178 | +1 815-328-1178 Illinois U.S.A.
  • 8153281179 | +1 815-328-1179 Illinois U.S.A.
  • 8153281180 | +1 815-328-1180 Illinois U.S.A.
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  • 8153281197 | +1 815-328-1197 Illinois U.S.A.
  • 8153281198 | +1 815-328-1198 Illinois U.S.A.
  • 8153281199 | +1 815-328-1199 Illinois U.S.A.