The 779 area code belongs to the state of Illinois (IL) and some of the locations covered are Crystal Lake, Rockford and more:
| State | Larger cities in area code 779 | Time Zone |
|---|---|---|
| IL Illinois |
Belvidere, Crystal Lake, De Kalb, Freeport, Joliet, Kankakee, Loves Park, Machesney Park, McHenry, Morris, Rockford, Romeoville, Woodstock More cities |
CENTRAL Current time is
04:08:26 PM |
| -- overlays area code 815 -- | ||