(815) 8##-####

815 Area Code in Illinois Start With 8

Enter the last 6 digits to find that number inBelvidere, Illinois.

Information for Area Code 815

Country: United States

State: Illinois

Cities in Area: Belvidere, Crystal Lake, DeKalb, Freeport, Joliet, Kankakee, Loves Park, Machesney Park, McHenry, Rockford, Romeoville, Woodstock

Where is Area Code 815?

Area code (815) is in the state ofIllinois, and there are12 cities in this area code.