Area Code 779 Map and Location
Area Code 779 - Cities, neighbourhoods and local features
Area code 779 is located in Winnebago. That is the approximate area that is served by this exchange.
Rockford- La Salle
- Galena
- VERONA
- Joliet
- Sandwich
- Unknown
- Dekalb
- Oglesby
- TONICA
- Frankfort
- Watseka
Illinois Area Codes for the Largest Cities