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).

  • 8155731600 | +1 815-573-1600 Illinois U.S.A.
  • 8155731601 | +1 815-573-1601 Illinois U.S.A.
  • 8155731602 | +1 815-573-1602 Illinois U.S.A.
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  • 8155731611 | +1 815-573-1611 Illinois U.S.A.
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  • 8155731675 | +1 815-573-1675 Illinois U.S.A.
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  • 8155731697 | +1 815-573-1697 Illinois U.S.A.
  • 8155731698 | +1 815-573-1698 Illinois U.S.A.
  • 8155731699 | +1 815-573-1699 Illinois U.S.A.