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).

  • 8155728200 | +1 815-572-8200 Illinois U.S.A.
  • 8155728201 | +1 815-572-8201 Illinois U.S.A.
  • 8155728202 | +1 815-572-8202 Illinois U.S.A.
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  • 8155728210 | +1 815-572-8210 Illinois U.S.A.
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  • 8155728264 | +1 815-572-8264 Illinois U.S.A.
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  • 8155728267 | +1 815-572-8267 Illinois U.S.A.
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  • 8155728274 | +1 815-572-8274 Illinois U.S.A.
  • 8155728275 | +1 815-572-8275 Illinois U.S.A.
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  • 8155728294 | +1 815-572-8294 Illinois U.S.A.
  • 8155728295 | +1 815-572-8295 Illinois U.S.A.
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  • 8155728297 | +1 815-572-8297 Illinois U.S.A.
  • 8155728298 | +1 815-572-8298 Illinois U.S.A.
  • 8155728299 | +1 815-572-8299 Illinois U.S.A.