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).

  • 8153282500 | +1 815-328-2500 Illinois U.S.A.
  • 8153282501 | +1 815-328-2501 Illinois U.S.A.
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  • 8153282574 | +1 815-328-2574 Illinois U.S.A.
  • 8153282575 | +1 815-328-2575 Illinois U.S.A.
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  • 8153282578 | +1 815-328-2578 Illinois U.S.A.
  • 8153282579 | +1 815-328-2579 Illinois U.S.A.
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  • 8153282594 | +1 815-328-2594 Illinois U.S.A.
  • 8153282595 | +1 815-328-2595 Illinois U.S.A.
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  • 8153282597 | +1 815-328-2597 Illinois U.S.A.
  • 8153282598 | +1 815-328-2598 Illinois U.S.A.
  • 8153282599 | +1 815-328-2599 Illinois U.S.A.