City of Highland Park


847 Area code: Highland Park, Lake - 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).

  • 8474321800 | +1 847-432-1800 Illinois U.S.A.
  • 8474321801 | +1 847-432-1801 Illinois U.S.A.
  • 8474321802 | +1 847-432-1802 Illinois U.S.A.
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  • 8474321878 | +1 847-432-1878 Illinois U.S.A.
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