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).

  • 8152778500 | +1 815-277-8500 Illinois U.S.A.
  • 8152778501 | +1 815-277-8501 Illinois U.S.A.
  • 8152778502 | +1 815-277-8502 Illinois U.S.A.
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  • 8152778504 | +1 815-277-8504 Illinois U.S.A.
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  • 8152778510 | +1 815-277-8510 Illinois U.S.A.
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  • 8152778567 | +1 815-277-8567 Illinois U.S.A.
  • 8152778568 | +1 815-277-8568 Illinois U.S.A.
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  • 8152778574 | +1 815-277-8574 Illinois U.S.A.
  • 8152778575 | +1 815-277-8575 Illinois U.S.A.
  • 8152778576 | +1 815-277-8576 Illinois U.S.A.
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  • 8152778578 | +1 815-277-8578 Illinois U.S.A.
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  • 8152778594 | +1 815-277-8594 Illinois U.S.A.
  • 8152778595 | +1 815-277-8595 Illinois U.S.A.
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  • 8152778597 | +1 815-277-8597 Illinois U.S.A.
  • 8152778598 | +1 815-277-8598 Illinois U.S.A.
  • 8152778599 | +1 815-277-8599 Illinois U.S.A.