Information for Area Code: 779-xxx-xxxx - IL - ILLINOIS
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Information about Area Code 779
Area code 779 is an overlay area code for area code 815 in northern Illinois. No old telephone numbers were reassigned to this area code; rather, it became available for new telephone prefixes as of 2007-03-17.
| North: 608, 262 | ||
| West: 563 | Area Code 779/815 | East: 847/224, 630, 708 |
| South: 309, 217 |
Cities in area codes 779/815
Apple River, Belvidere, Bolingbrook, Byron, Cortland, Cedarville, Coal City, Crest Hill, Crystal Lake, Davis Junction, DeKalb, Dixon, East Dubuque, Frankfort, Freeport, Galena, Joliet, Kankakee, Lanark, La Salle, Lena, Loves Park, Machesney Park, Malta, McHenry, Mendota, Minooka, Mokena, Monroe Center, Morris, Mount Morris, New Lenox, Orangeville, Oregon, Ottawa, Plainfield, Rochelle, Rockford, Romeoville, Savanna, Shannon, Spring Valley, Sterling, Stillman Valley, Stockton, Streator, Sycamore, Tinley Park, Warren, Woodstock
See also
External links
- "Area Code Overlay Approved for 815 Area Code" - general information from AT&T, the RBOC for the area code
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Illinois Area codes 217 | 224 | 309 | 312 | 618 | 630 | 708 | 773 | 779 | 815 | 847 |
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