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).

  • 8152777100 | +1 815-277-7100 Illinois U.S.A.
  • 8152777101 | +1 815-277-7101 Illinois U.S.A.
  • 8152777102 | +1 815-277-7102 Illinois U.S.A.
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  • 8152777110 | +1 815-277-7110 Illinois U.S.A.
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  • 8152777168 | +1 815-277-7168 Illinois U.S.A.
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  • 8152777174 | +1 815-277-7174 Illinois U.S.A.
  • 8152777175 | +1 815-277-7175 Illinois U.S.A.
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  • 8152777195 | +1 815-277-7195 Illinois U.S.A.
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  • 8152777197 | +1 815-277-7197 Illinois U.S.A.
  • 8152777198 | +1 815-277-7198 Illinois U.S.A.
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