ISP Investigation Zone 1 - If this is an emergency, dial 911

Counties Served: Bureau, Cook, DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall, Lake, LaSalle, McHenry and Will

  • Zone 1:
  • 595 South State Street
  • Elgin, IL 60123
  • Phone: (847) 608-3200