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).

  • 8154282500 | +1 815-428-2500 Illinois U.S.A.
  • 8154282501 | +1 815-428-2501 Illinois U.S.A.
  • 8154282502 | +1 815-428-2502 Illinois U.S.A.
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  • 8154282511 | +1 815-428-2511 Illinois U.S.A.
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  • 8154282570 | +1 815-428-2570 Illinois U.S.A.
  • 8154282571 | +1 815-428-2571 Illinois U.S.A.
  • 8154282572 | +1 815-428-2572 Illinois U.S.A.
  • 8154282573 | +1 815-428-2573 Illinois U.S.A.
  • 8154282574 | +1 815-428-2574 Illinois U.S.A.
  • 8154282575 | +1 815-428-2575 Illinois U.S.A.
  • 8154282576 | +1 815-428-2576 Illinois U.S.A.
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  • 8154282578 | +1 815-428-2578 Illinois U.S.A.
  • 8154282579 | +1 815-428-2579 Illinois U.S.A.
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  • 8154282594 | +1 815-428-2594 Illinois U.S.A.
  • 8154282595 | +1 815-428-2595 Illinois U.S.A.
  • 8154282596 | +1 815-428-2596 Illinois U.S.A.
  • 8154282597 | +1 815-428-2597 Illinois U.S.A.
  • 8154282598 | +1 815-428-2598 Illinois U.S.A.
  • 8154282599 | +1 815-428-2599 Illinois U.S.A.