779 Area Code in Illinois Start With 4
Enter the last 6 digits to find that number inBelvidere, Illinois.
Information for Area Code 779
Country: United States
Cities in Area: Belvidere, Crystal Lake, DeKalb, Freeport, Joliet, Kankakee, Loves Park, Machesney Park, McHenry, Rockford, Romeoville, Woodstock
Where is Area Code 779?
Area code (779) is in the state ofIllinois, and there are12 cities in this area code.