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).

  • 8157671600 | +1 815-767-1600 Illinois U.S.A.
  • 8157671601 | +1 815-767-1601 Illinois U.S.A.
  • 8157671602 | +1 815-767-1602 Illinois U.S.A.
  • 8157671603 | +1 815-767-1603 Illinois U.S.A.
  • 8157671604 | +1 815-767-1604 Illinois U.S.A.
  • 8157671605 | +1 815-767-1605 Illinois U.S.A.
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  • 8157671607 | +1 815-767-1607 Illinois U.S.A.
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  • 8157671609 | +1 815-767-1609 Illinois U.S.A.
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  • 8157671611 | +1 815-767-1611 Illinois U.S.A.
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  • 8157671664 | +1 815-767-1664 Illinois U.S.A.
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  • 8157671674 | +1 815-767-1674 Illinois U.S.A.
  • 8157671675 | +1 815-767-1675 Illinois U.S.A.
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  • 8157671678 | +1 815-767-1678 Illinois U.S.A.
  • 8157671679 | +1 815-767-1679 Illinois U.S.A.
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  • 8157671697 | +1 815-767-1697 Illinois U.S.A.
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  • 8157671699 | +1 815-767-1699 Illinois U.S.A.