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).

  • 8152792900 | +1 815-279-2900 Illinois U.S.A.
  • 8152792901 | +1 815-279-2901 Illinois U.S.A.
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  • 8152792967 | +1 815-279-2967 Illinois U.S.A.
  • 8152792968 | +1 815-279-2968 Illinois U.S.A.
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  • 8152792974 | +1 815-279-2974 Illinois U.S.A.
  • 8152792975 | +1 815-279-2975 Illinois U.S.A.
  • 8152792976 | +1 815-279-2976 Illinois U.S.A.
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  • 8152792978 | +1 815-279-2978 Illinois U.S.A.
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  • 8152792990 | +1 815-279-2990 Illinois U.S.A.
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  • 8152792994 | +1 815-279-2994 Illinois U.S.A.
  • 8152792995 | +1 815-279-2995 Illinois U.S.A.
  • 8152792996 | +1 815-279-2996 Illinois U.S.A.
  • 8152792997 | +1 815-279-2997 Illinois U.S.A.
  • 8152792998 | +1 815-279-2998 Illinois U.S.A.
  • 8152792999 | +1 815-279-2999 Illinois U.S.A.