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List of Prefix Codes on 779 Area Code at Illinois

Cities in Areacode 779 - Illinois
  • Belvidere
  • Crystal Lake
  • DeKalb
  • Freeport
  • Joliet
  • Kankakee
  • Loves Park
  • Machesney Park
  • McHenry
  • Rockford
  • Romeoville
  • Woodstock
PREFIX USAGE PRIMARY CITY CARRIER
779-348- LandlineRockford Teleport Communications America
779-240- Unknown T-mobile Usa
779-216- LandlineFrankfort Peerless Network Of Illinois
779-772- WirelessRockford Cricket Communications
779-379- WirelessJoliet Cricket Communications
779-444- LandlineWonder Lake Bandwidth.com Clec
779-800- LandlineCrystal Lake Neutral Tandem-illinois
779-529- LandlineManteno Bandwidth.com Clec
779-770- WirelessRockford Cricket Communications
779-423- LandlineRockford Comcast Phone Of Illinois DBA Comco
779-300- WirelessRockford Sprint Spectrum L.p.
779-221- LandlineRockford Broadvox-clec
779-500- LandlineRockford Teleport Communications America
779-210- LandlineRockford Sbc Internet Services
779-537- WirelessRockford Cellco Partnership DBA Verizon Wireless
779-205- WirelessJoliet New Cingular Wireless PCS
779-213- LandlineOglesby Peerless Network Of Illinois
779-218- LandlineWatseka Peerless Network Of Illinois
779-232- LandlineWilmington Teleport Communications America
779-702- Unknown T-mobile Usa
779-400- LandlineDekalb Ymax Communications Corp.
779-333- LandlineFrankfort Neutral Tandem-illinois
779-279- WirelessJoliet Cricket Communications
779-234- LandlinePlainfield Local Access LLC
779-696- LandlineRockford Mcleodusa Telecommunications Services- Il
779-220- LandlineCrystal Lake Bandwidth.com Clec
779-227- Unknown Metro PCS
779-999- LandlineNewark Peerless Network Of Illinois
779-233- WirelessJoliet Sprint Spectrum L.p.
779-548- LandlineMarengo Bandwidth.com Clec
779-771- WirelessRockford Cricket Communications
779-206- WirelessJoliet Cellco Partnership DBA Verizon Wireless
779-225- WirelessJoliet Cellco Partnership DBA Verizon Wireless
779-861- WirelessDixon Cellco Partnership DBA Verizon Wireless
779-204- LandlineVerona Broadvox-clec
779-202- LandlineGalena Teleport Communications America
779-703- WirelessJoliet T-mobile Usa
779-552- LandlineBelvidere Digital Network Access Communications
779-803- LandlineNew Lenox Bandwidth.com Clec
779-200- WirelessRockford Cellco Partnership DBA Verizon Wireless
779-235- WirelessCrescent City Sbc Internet Services
779-222- LandlineDekalb Level 3 Communications
779-475- LandlineBeloit Charter Fiberlink - Illinois
779-545- LandlineMt Morris Comcast Phone Of Illinois DBA Comco
779-301- Unknown T-mobile Usa
779-324- LandlineFrankfort Bandwidth.com Clec
779-201- WirelessLa Salle Cellco Partnership DBA Verizon Wireless
779-777- WirelessDekalb Cricket Communications
779-429- LandlineWilmington Sbc Internet Services
779-229- LandlineSpring Valley Comcast Phone Of Illinois DBA Comco
779-236- WirelessKankakee Sprint Spectrum L.p.
779-774- LandlineRockford Tds Metrocom Inc.-il
779-209- LandlineSandwich Peerless Network Of Illinois
779-704- LandlineMchenry Mci Worldcom Communications
779-212- WirelessDekalb 365 Wireless
779-435- LandlineJoliet Ameritech Illinois
779-245- WirelessSterling Iowa Wireless Services, Lp
779-226- LandlinePolo Comcast Phone Of Illinois DBA Comco
779-368- LandlineNew Milford Comcast Phone Of Illinois DBA Comco
779-228- LandlineMazon Peerless Network Of Illinois
779-994- LandlineCrystal Lake Peerless Network Of Illinois
779-203- WirelessRockford Sprint Spectrum L.p.
779-208- WirelessRockford Cellco Partnership DBA Verizon Wireless
779-207- WirelessRockford Cellco Partnership DBA Verizon Wireless
779-875- WirelessJoliet Sprint Spectrum L.p.
779-903- LandlineBraidwood Broadvox-clec
779-382- LandlineGenoa Charter Fiberlink - Illinois
779-214- LandlineGalena Mediacom Telephony Of Illinois
779-251- LandlineDixon Centurylink Communications LLC
779-456- WirelessJoliet T-mobile Usa
779-432- LandlineSheffield Mtco Communications
779-215- LandlineTonica Local Access LLC
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