Trace the Origin of Any Area Code (779) Phone Number

Area Code (779)

Area Code:779
State: Illinois (IL)
Country:USA
Top Cities:Rockford, Joliet, Dekalb, Crystal Lake, Frankfort, Wilmington and Galena
Total Cities:34
Total Counties:15
Total Prefixes:68

Area Code (779) serves 34 Cities:

Beloit, Belvidere, Braidwood, Crescent City, Crystal Lake, Dekalb, Dixon, Frankfort, Galena, Genoa, Joliet, Kankakee, La Salle, Manteno, Marengo, Mazon, Mchenry, Mt Morris, New Lenox, New Milford, Newark, Oglesby, Plainfield, Polo, Rockford, Sandwich, Sheffield, Spring Valley, Sterling, Tonica, Verona, Watseka, Wilmington and Wonder Lake in the state of Illinois, USA.

Area Code (779) Illinois Counties:

Boone, Bureau, Dekalb, Grundy, Iroquois, Jo Daviess, Kankakee, Kendall, La Salle, Lee, Mchenry, Ogle, Whiteside, Will and Winnebago.
Illinois Area Codes
Area Code 779 Prefixes
  Prefix CityService Provider
(779) 200- Rockford, ILCellco Partnership DBA Verizon
(779) 201- La Salle, ILCellco Partnership DBA Verizon
(779) 202- Galena, ILTeleport Communications America
(779) 203- Rockford, ILSprint Spectrum L.P.
(779) 204- Verona, ILBroadvox - CLEC
(779) 205- Joliet, ILNew Cingular Wireless PCS
(779) 206- Joliet, ILCellco Partnership DBA Verizon
(779) 207- Rockford, ILCellco Partnership DBA Verizon
(779) 208- Rockford, ILCellco Partnership DBA Verizon
(779) 209- Sandwich, ILPeerless Network of Illinois
(779) 210- Rockford, ILSBC Internet Services, Inc.
(779) 212- Dekalb, IL365
(779) 213- Oglesby, ILPeerless Network of Illinois
(779) 214- Galena, ILMediacom Telephony of Illinois
(779) 215- Tonica, ILLocal Access LLC
(779) 216- Frankfort, ILPeerless Network of Illinois
(779) 218- Watseka, ILPeerless Network of Illinois
(779) 220- Crystal Lake, ILBandwidth.com - CLEC
(779) 221- Rockford, ILBroadvox - CLEC
(779) 222- Dekalb, ILLevel 3 Communications
(779) 225- Joliet, ILCellco Partnership DBA Verizon
(779) 226- Polo, ILComcast Phone of Illinois DBA Comco
(779) 228- Mazon, ILPeerless Network of Illinois
(779) 229- Spring Valley, ILComcast Phone of Illinois DBA Comco
(779) 232- Wilmington, ILTeleport Communications America
(779) 233- Joliet, ILSprint Spectrum L.P.
(779) 234- Plainfield, ILLocal Access LLC
(779) 235- Crescent City, ILSBC Internet Services, Inc.
(779) 236- Kankakee, ILSprint Spectrum L.P.
(779) 245- Sterling, ILIowa Wireless Services, Lp
(779) 251- Dixon, ILCenturylink Communications LLC
(779) 279- Joliet, ILCricket Communications
(779) 300- Rockford, ILSprint Spectrum L.P.
(779) 324- Frankfort, ILBandwidth.com - CLEC
(779) 333- Frankfort, ILNeutral Tandem-illinois
(779) 348- Rockford, ILTeleport Communications America
(779) 368- New Milford, ILComcast Phone of Illinois DBA Comco
(779) 379- Joliet, ILCricket Communications
(779) 382- Genoa, ILCharter Fiberlink - Illinois
(779) 400- Dekalb, ILYMAX Communications Corp.
(779) 423- Rockford, ILComcast Phone of Illinois DBA Comco
(779) 429- Wilmington, ILSBC Internet Services, Inc.
(779) 432- Sheffield, ILMtco Communications
(779) 435- Joliet, ILAmeritech Illinois
(779) 444- Wonder Lake, ILBandwidth.com - CLEC
(779) 456- Joliet, ILT-Mobile USA
(779) 475- Beloit, ILCharter Fiberlink - Illinois
(779) 500- Rockford, ILTeleport Communications America
(779) 529- Manteno, ILBandwidth.com - CLEC
(779) 537- Rockford, ILCellco Partnership DBA Verizon
(779) 545- Mt Morris, ILComcast Phone of Illinois DBA Comco
(779) 548- Marengo, ILBandwidth.com - CLEC
(779) 552- Belvidere, ILDigital Network Access Communications
(779) 696- Rockford, ILMcleodusa Telecommunications Services - IL
(779) 703- Joliet, ILT-Mobile USA
(779) 704- Mchenry, ILMCI Worldcom Communications
(779) 770- Rockford, ILCricket Communications
(779) 771- Rockford, ILCricket Communications
(779) 772- Rockford, ILCricket Communications
(779) 774- Rockford, ILTds Metrocom Inc. - IL
(779) 777- Dekalb, ILCricket Communications
(779) 800- Crystal Lake, ILNeutral Tandem-illinois
(779) 803- New Lenox, ILBandwidth.com - CLEC
(779) 861- Dixon, ILCellco Partnership DBA Verizon
(779) 875- Joliet, ILSprint Spectrum L.P.
(779) 903- Braidwood, ILBroadvox - CLEC
(779) 994- Crystal Lake, ILPeerless Network of Illinois
(779) 999- Newark, ILPeerless Network of Illinois