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Area Code 779
Illinois area code 779 has been in service since 2007. It has 21 landlines and 5 wireless prefixes (exchanges) serviced by 19 carriers. It covers 4 counties, 48 ZIP codes, and 6 cities, including Rockford, Belvidere, South Beloit, Genoa, and Machesney Park.
- State:
- Illinois
- Time Zone:
- Central (5:07 pm)
Area Code (779) has 26 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (779) 200- | Winnebago | Machesney Park | Cellco Partnership Dba Veri... | Cell Phone |
| (779) 210- | Winnebago | Rockford | Unknown | Landline |
| (779) 214- | Jo Daviess | Galena | Mediacom Telephony Of Illin... | Landline |
| (779) 221- | Winnebago | Rockford | Infotelecom, Llc - Il | Landline |
| (779) 300- | Shelby | Memphis | Sprint Spectrum L.p. | Cell Phone |
| (779) 324- | Will | Frankfort | Bandwidth.com Clec, Llc - Il | Landline |
| (779) 348- | Winnebago | Machesney Park | Teleport Communications Gro... | Landline |
| (779) 368- | Winnebago | Rockford | Comcast Phone Of Illinois,... | Landline |
| (779) 379- | Will | Joliet | Denali Spectrum License, Llc | Landline |
| (779) 382- | Dekalb | Genoa | Charter Fiberlink - Illinoi... | Landline |
| (779) 423- | Winnebago | Rockford | Comcast Phone Of Illinois,... | Landline |
| (779) 429- | Will | Wilmington | Cygnus Telecommunications C... | Landline |
| (779) 435- | Lewis And Clark | Helena | Ameritech Illinois | Landline |
| (779) 456- | Will | Joliet | T-mobile Usa, Inc. | Cell Phone |
| (779) 475- | Winnebago | South Beloit | Charter Fiberlink - Illinoi... | Landline |
| (779) 500- | Winnebago | Rockford | Teleport Communications Gro... | Landline |
| (779) 537- | Winnebago | Rockford | Cellco Partnership Dba Veri... | Cell Phone |
| (779) 545- | Ogle | Mount Morris | Comcast Phone Of Illinois,... | Landline |
| (779) 552- | Boone | Belvidere | Digital Network Access Comm... | Landline |
| (779) 568- | Sumter | The Villages | Unknown | Landline |
| (779) 770- | Winnebago | Rockford | Denali Spectrum License, Llc | Landline |
| (779) 771- | Winnebago | Rockford | Denali Spectrum License, Llc | Landline |
| (779) 777- | Dekalb | Cortland | Denali Spectrum License, Llc | Landline |
| (779) 875- | Will | Joliet | Sprint Spectrum L.p. | Cell Phone |
| (779) 924- | Fulton | Alpharetta | Unknown | Landline |
| (779) 967- | Saint Johns | Saint Augustine | Unknown | Landline |
