City of Chicago


815 Area code: Chicago, Cook - Wireless

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).

  • 8159162500 | +1 815-916-2500 Illinois U.S.A.
  • 8159162501 | +1 815-916-2501 Illinois U.S.A.
  • 8159162502 | +1 815-916-2502 Illinois U.S.A.
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  • 8159162572 | +1 815-916-2572 Illinois U.S.A.
  • 8159162573 | +1 815-916-2573 Illinois U.S.A.
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  • 8159162591 | +1 815-916-2591 Illinois U.S.A.
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  • 8159162593 | +1 815-916-2593 Illinois U.S.A.
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  • 8159162598 | +1 815-916-2598 Illinois U.S.A.
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