779 Area Code

State Illinois
Major City Rockford
Timezone Central
Major Cities

Belvidere, ILCrystal Lake, ILDe Kalb, ILFreeport, ILJoliet, ILKankakee, ILLoves Park, ILMachesney Park, ILMchenry, ILRockford, ILRomeoville, ILWoodstock, IL

Reminders!

The details shown here about the location of the area code 779 and prefixes is but an approximation. This is because of the local number portability rules (LNP), wireless devices and VoIP, the location may vary significantly in some cases.

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Area Code 779 Prefixes

Prefix Primary City County Company Service Type
(779) 200 Rockford, IL Cellco Partnership DBA Verizon Wireless Unknown
(779) 214 Galena, IL Mediacom Telephony Of Illinois Unknown
(779) 220 Bandwidth.com Clec Unknown
(779) 221 Rockford, IL Infotelecom Unknown
(779) 222 Dekalb, IL Cygnus Telecommunications Corporation Unknown
(779) 232 Wilmington, IL Teleport Communications Group - Chicago Unknown
(779) 235 Crescent City, IL Sbc Internet Services Unknown
(779) 245 Sterling, IL Iowa Wireless Services, Lp Unknown
(779) 279 Joliet, IL Denali Spectrum License Unknown
(779) 300 Rockford, IL Sprint Spectrum L.p. Unknown
(779) 324 Frankfort, IL Bandwidth.com Clec Unknown
(779) 348 Rockford, IL Teleport Communications Group - Chicago Unknown
(779) 368 New Milford, IL Comcast Phone Of Illinois DBA Comco Unknown
(779) 379 Joliet, IL Denali Spectrum License Unknown
(779) 382 Genoa, IL Charter Fiberlink - Illinois Unknown
(779) 400 Dekalb, IL Ymax Communications Corp. Unknown
(779) 423 Rockford, IL Comcast Phone Of Illinois DBA Comco Unknown
(779) 429 Wilmington, IL Cygnus Telecommunications Corporation Unknown
(779) 432 Sheffield, IL Mtco Communications Unknown
(779) 435 Joliet, IL Ameritech Illinois Unknown
(779) 444 Wonder Lake, IL Bandwidth.com Clec Unknown
(779) 456 Joliet, IL T-mobile Usa Unknown
(779) 475 Beloit, IL Charter Fiberlink - Illinois Unknown
(779) 500 Rockford, IL Teleport Communications Group - Chicago Unknown
(779) 529 Manteno, IL Bandwidth.com Clec Unknown
(779) 537 Rockford, IL Cellco Partnership DBA Verizon Wireless Unknown
(779) 545 Mt Morris, IL Comcast Phone Of Illinois DBA Comco Unknown
(779) 548 Marengo, IL Bandwidth.com Clec Unknown
(779) 552 Belvidere, IL Digital Network Access Communications Unknown
(779) 696 Rockford, IL Mcleodusa Telecommunications Services- Il Unknown
(779) 770 Rockford, IL Denali Spectrum License Unknown
(779) 771 Rockford, IL Denali Spectrum License Unknown
(779) 772 Rockford, IL Denali Spectrum License Unknown
(779) 777 Dekalb, IL Denali Spectrum License Unknown
(779) 861 Dixon, IL Cellco Partnership DBA Verizon Wireless Unknown
(779) 863 Unknown
(779) 875 Joliet, IL Sprint Spectrum L.p. Unknown