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).

  • 8152794100 | +1 815-279-4100 Illinois U.S.A.
  • 8152794101 | +1 815-279-4101 Illinois U.S.A.
  • 8152794102 | +1 815-279-4102 Illinois U.S.A.
  • 8152794103 | +1 815-279-4103 Illinois U.S.A.
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  • 8152794110 | +1 815-279-4110 Illinois U.S.A.
  • 8152794111 | +1 815-279-4111 Illinois U.S.A.
  • 8152794112 | +1 815-279-4112 Illinois U.S.A.
  • 8152794113 | +1 815-279-4113 Illinois U.S.A.
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  • 8152794119 | +1 815-279-4119 Illinois U.S.A.
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  • 8152794151 | +1 815-279-4151 Illinois U.S.A.
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  • 8152794154 | +1 815-279-4154 Illinois U.S.A.
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  • 8152794167 | +1 815-279-4167 Illinois U.S.A.
  • 8152794168 | +1 815-279-4168 Illinois U.S.A.
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  • 8152794174 | +1 815-279-4174 Illinois U.S.A.
  • 8152794175 | +1 815-279-4175 Illinois U.S.A.
  • 8152794176 | +1 815-279-4176 Illinois U.S.A.
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  • 8152794194 | +1 815-279-4194 Illinois U.S.A.
  • 8152794195 | +1 815-279-4195 Illinois U.S.A.
  • 8152794196 | +1 815-279-4196 Illinois U.S.A.
  • 8152794197 | +1 815-279-4197 Illinois U.S.A.
  • 8152794198 | +1 815-279-4198 Illinois U.S.A.
  • 8152794199 | +1 815-279-4199 Illinois U.S.A.