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).

  • 8156768100 | +1 815-676-8100 Illinois U.S.A.
  • 8156768101 | +1 815-676-8101 Illinois U.S.A.
  • 8156768102 | +1 815-676-8102 Illinois U.S.A.
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  • 8156768110 | +1 815-676-8110 Illinois U.S.A.
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  • 8156768175 | +1 815-676-8175 Illinois U.S.A.
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  • 8156768194 | +1 815-676-8194 Illinois U.S.A.
  • 8156768195 | +1 815-676-8195 Illinois U.S.A.
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  • 8156768197 | +1 815-676-8197 Illinois U.S.A.
  • 8156768198 | +1 815-676-8198 Illinois U.S.A.
  • 8156768199 | +1 815-676-8199 Illinois U.S.A.