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).

  • 8155271100 | +1 815-527-1100 Illinois U.S.A.
  • 8155271101 | +1 815-527-1101 Illinois U.S.A.
  • 8155271102 | +1 815-527-1102 Illinois U.S.A.
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  • 8155271111 | +1 815-527-1111 Illinois U.S.A.
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  • 8155271174 | +1 815-527-1174 Illinois U.S.A.
  • 8155271175 | +1 815-527-1175 Illinois U.S.A.
  • 8155271176 | +1 815-527-1176 Illinois U.S.A.
  • 8155271177 | +1 815-527-1177 Illinois U.S.A.
  • 8155271178 | +1 815-527-1178 Illinois U.S.A.
  • 8155271179 | +1 815-527-1179 Illinois U.S.A.
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  • 8155271197 | +1 815-527-1197 Illinois U.S.A.
  • 8155271198 | +1 815-527-1198 Illinois U.S.A.
  • 8155271199 | +1 815-527-1199 Illinois U.S.A.