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815 Area Code


The 115 central offices below make up area code (815) in Illinois.


These exchanges encompass the following IL cities:

  • Kankakee
  • Lockport
  • Yorkville
  • Crystal Lake
  • Freeport
  • Steward
  • Frankfort
  • Rockford
  • Rockton
  • Joliet
  • Elwood
  • Mc Connell
  • Orangeville
  • Morris
  • Graymont
  • Oglesby
  • Paw Paw
  • Apple River
  • Clinton
  • Davis
  • Odell
  • Sterling
  • Dekalb
  • Sharon
  • Mchenry
  • Ashkum
  • Depue
  • Dixon
  • Cullom
  • La Salle
  • La Moille
  • Manhattan
  • Manlius
  • Stillman Valley
  • Dalzell
  • Milledgeville
  • Princeton
  • Shannon
  • Savanna
  • Shirland
  • Minooka
  • Durand
  • Woodstock
  • Momence
  • Plainfield
  • Ottawa
  • Seneca
  • Mc Nabb
  • Ransom
  • Morrison
  • Chadwick
  • Crescent City
  • Onarga
  • Marengo
  • Grant Park
  • Danforth
  • Gardner
  • Hanover
  • Harvard
  • Cabery
  • Milford
  • Coal City
  • Toluca

Learn more: Area code 815 at Wikipedia



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