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).

  • 8153283300 | +1 815-328-3300 Illinois U.S.A.
  • 8153283301 | +1 815-328-3301 Illinois U.S.A.
  • 8153283302 | +1 815-328-3302 Illinois U.S.A.
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  • 8153283310 | +1 815-328-3310 Illinois U.S.A.
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  • 8153283333 | +1 815-328-3333 Illinois U.S.A.
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  • 8153283374 | +1 815-328-3374 Illinois U.S.A.
  • 8153283375 | +1 815-328-3375 Illinois U.S.A.
  • 8153283376 | +1 815-328-3376 Illinois U.S.A.
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  • 8153283378 | +1 815-328-3378 Illinois U.S.A.
  • 8153283379 | +1 815-328-3379 Illinois U.S.A.
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  • 8153283397 | +1 815-328-3397 Illinois U.S.A.
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  • 8153283399 | +1 815-328-3399 Illinois U.S.A.