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).

  • 8155270200 | +1 815-527-0200 Illinois U.S.A.
  • 8155270201 | +1 815-527-0201 Illinois U.S.A.
  • 8155270202 | +1 815-527-0202 Illinois U.S.A.
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  • 8155270250 | +1 815-527-0250 Illinois U.S.A.
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  • 8155270267 | +1 815-527-0267 Illinois U.S.A.
  • 8155270268 | +1 815-527-0268 Illinois U.S.A.
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  • 8155270270 | +1 815-527-0270 Illinois U.S.A.
  • 8155270271 | +1 815-527-0271 Illinois U.S.A.
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  • 8155270275 | +1 815-527-0275 Illinois U.S.A.
  • 8155270276 | +1 815-527-0276 Illinois U.S.A.
  • 8155270277 | +1 815-527-0277 Illinois U.S.A.
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  • 8155270296 | +1 815-527-0296 Illinois U.S.A.
  • 8155270297 | +1 815-527-0297 Illinois U.S.A.
  • 8155270298 | +1 815-527-0298 Illinois U.S.A.
  • 8155270299 | +1 815-527-0299 Illinois U.S.A.