The 815 area code belongs to the state of Illinois (IL) and some of the locations covered are Joliet, Rockford and more:
| State | Larger cities in area code 815 | Time Zone |
|---|---|---|
| IL Illinois |
Belvidere, Bradley, Channahon, Crystal Lake, De Kalb, Dixon, Frankfort, Freeport, Harvard, Joliet, Kankakee, La Salle, Lockport, Loves Park, Machesney Park, Marengo, McHenry, Mendota, Morris, New Lenox, Ottawa, Peru, Plainfield, Pontiac, Princeton, Rochelle, Rock Falls, Rockford, Romeoville, Streator, Sycamore, Wonder Lake, Woodstock More cities |
CENTRAL Current time is
05:49:15 PM |
| -- overlaid by area code 779 -- | ||