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).

  • 8155122400 | +1 815-512-2400 Illinois U.S.A.
  • 8155122401 | +1 815-512-2401 Illinois U.S.A.
  • 8155122402 | +1 815-512-2402 Illinois U.S.A.
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  • 8155122411 | +1 815-512-2411 Illinois U.S.A.
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  • 8155122424 | +1 815-512-2424 Illinois U.S.A.
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  • 8155122431 | +1 815-512-2431 Illinois U.S.A.
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  • 8155122451 | +1 815-512-2451 Illinois U.S.A.
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  • 8155122455 | +1 815-512-2455 Illinois U.S.A.
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  • 8155122464 | +1 815-512-2464 Illinois U.S.A.
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  • 8155122466 | +1 815-512-2466 Illinois U.S.A.
  • 8155122467 | +1 815-512-2467 Illinois U.S.A.
  • 8155122468 | +1 815-512-2468 Illinois U.S.A.
  • 8155122469 | +1 815-512-2469 Illinois U.S.A.
  • 8155122470 | +1 815-512-2470 Illinois U.S.A.
  • 8155122471 | +1 815-512-2471 Illinois U.S.A.
  • 8155122472 | +1 815-512-2472 Illinois U.S.A.
  • 8155122473 | +1 815-512-2473 Illinois U.S.A.
  • 8155122474 | +1 815-512-2474 Illinois U.S.A.
  • 8155122475 | +1 815-512-2475 Illinois U.S.A.
  • 8155122476 | +1 815-512-2476 Illinois U.S.A.
  • 8155122477 | +1 815-512-2477 Illinois U.S.A.
  • 8155122478 | +1 815-512-2478 Illinois U.S.A.
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  • 8155122494 | +1 815-512-2494 Illinois U.S.A.
  • 8155122495 | +1 815-512-2495 Illinois U.S.A.
  • 8155122496 | +1 815-512-2496 Illinois U.S.A.
  • 8155122497 | +1 815-512-2497 Illinois U.S.A.
  • 8155122498 | +1 815-512-2498 Illinois U.S.A.
  • 8155122499 | +1 815-512-2499 Illinois U.S.A.