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).

  • 8152772900 | +1 815-277-2900 Illinois U.S.A.
  • 8152772901 | +1 815-277-2901 Illinois U.S.A.
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  • 8152772967 | +1 815-277-2967 Illinois U.S.A.
  • 8152772968 | +1 815-277-2968 Illinois U.S.A.
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  • 8152772974 | +1 815-277-2974 Illinois U.S.A.
  • 8152772975 | +1 815-277-2975 Illinois U.S.A.
  • 8152772976 | +1 815-277-2976 Illinois U.S.A.
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  • 8152772978 | +1 815-277-2978 Illinois U.S.A.
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  • 8152772990 | +1 815-277-2990 Illinois U.S.A.
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  • 8152772994 | +1 815-277-2994 Illinois U.S.A.
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  • 8152772997 | +1 815-277-2997 Illinois U.S.A.
  • 8152772998 | +1 815-277-2998 Illinois U.S.A.
  • 8152772999 | +1 815-277-2999 Illinois U.S.A.