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).

  • 8155722500 | +1 815-572-2500 Illinois U.S.A.
  • 8155722501 | +1 815-572-2501 Illinois U.S.A.
  • 8155722502 | +1 815-572-2502 Illinois U.S.A.
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  • 8155722565 | +1 815-572-2565 Illinois U.S.A.
  • 8155722566 | +1 815-572-2566 Illinois U.S.A.
  • 8155722567 | +1 815-572-2567 Illinois U.S.A.
  • 8155722568 | +1 815-572-2568 Illinois U.S.A.
  • 8155722569 | +1 815-572-2569 Illinois U.S.A.
  • 8155722570 | +1 815-572-2570 Illinois U.S.A.
  • 8155722571 | +1 815-572-2571 Illinois U.S.A.
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  • 8155722574 | +1 815-572-2574 Illinois U.S.A.
  • 8155722575 | +1 815-572-2575 Illinois U.S.A.
  • 8155722576 | +1 815-572-2576 Illinois U.S.A.
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  • 8155722578 | +1 815-572-2578 Illinois U.S.A.
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  • 8155722594 | +1 815-572-2594 Illinois U.S.A.
  • 8155722595 | +1 815-572-2595 Illinois U.S.A.
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  • 8155722597 | +1 815-572-2597 Illinois U.S.A.
  • 8155722598 | +1 815-572-2598 Illinois U.S.A.
  • 8155722599 | +1 815-572-2599 Illinois U.S.A.