Illinois 市外局番: 779

Note：779 市外局番は Illinois, アメリカ合衆国. 国際番号は 001779 or 001-779、0010779、+1-779、+1+779、+1779、00-1-779、00 1 779.

More About Area Code 779

Area Code 779 was first put in service March 17, 2007. Currently, the largest city it serves is Rockford, IL, and it overlaps coverage areas with area code 815.

Active Phone Number Prefixes

Prefix	Usage	Primary City	Carrier
(779) 200-	Wireless	Rockford	Cellco Partnership DBA Verizon Wireless
(779) 201-	Wireless	La Salle	Cellco Partnership DBA Verizon Wireless
(779) 202-	Landline	Galena	Teleport Communications America
(779) 203-	Wireless	Rockford	Sprint Spectrum L.p.
(779) 204-	Landline	Verona	Broadvox-clec
(779) 205-	Wireless	Joliet	New Cingular Wireless PCS
(779) 206-	Wireless	Joliet	Cellco Partnership DBA Verizon Wireless
(779) 207-	Wireless	Rockford	Cellco Partnership DBA Verizon Wireless
(779) 208-	Wireless	Rockford	Cellco Partnership DBA Verizon Wireless
(779) 209-	Landline	Sandwich	Peerless Network Of Illinois
(779) 210-	Landline	Rockford	Sbc Internet Services
(779) 212-	Wireless	Dekalb	365 Wireless
(779) 213-	Landline	Oglesby	Peerless Network Of Illinois
(779) 214-	Landline	Galena	Mediacom Telephony Of Illinois
(779) 215-	Landline	Tonica	Local Access LLC
(779) 216-	Landline	Frankfort	Peerless Network Of Illinois
(779) 218-	Landline	Watseka	Peerless Network Of Illinois
(779) 220-	Landline	Crystal Lake	Bandwidth.com Clec
(779) 221-	Landline	Rockford	Broadvox-clec
(779) 222-	Landline	Dekalb	Level 3 Communications
(779) 225-	Wireless	Joliet	Cellco Partnership DBA Verizon Wireless
(779) 226-	Landline	Polo	Comcast Phone Of Illinois DBA Comco
(779) 227-	Unknown		Metro PCS
(779) 228-	Landline	Mazon	Peerless Network Of Illinois
(779) 229-	Landline	Spring Valley	Comcast Phone Of Illinois DBA Comco
(779) 232-	Landline	Wilmington	Teleport Communications America
(779) 233-	Wireless	Joliet	Sprint Spectrum L.p.
(779) 234-	Landline	Plainfield	Local Access LLC
(779) 235-	Wireless	Crescent City	Sbc Internet Services
(779) 236-	Wireless	Kankakee	Sprint Spectrum L.p.
(779) 240-	Unknown		T-mobile Usa
(779) 245-	Wireless	Sterling	Iowa Wireless Services, Lp
(779) 251-	Landline	Dixon	Centurylink Communications LLC
(779) 279-	Wireless	Joliet	Cricket Communications
(779) 300-	Wireless	Rockford	Sprint Spectrum L.p.
(779) 301-	Unknown		T-mobile Usa
(779) 324-	Landline	Frankfort	Bandwidth.com Clec
(779) 333-	Landline	Frankfort	Neutral Tandem-illinois
(779) 348-	Landline	Rockford	Teleport Communications America
(779) 368-	Landline	New Milford	Comcast Phone Of Illinois DBA Comco
(779) 379-	Wireless	Joliet	Cricket Communications
(779) 382-	Landline	Genoa	Charter Fiberlink - Illinois
(779) 400-	Landline	Dekalb	Ymax Communications Corp.
(779) 423-	Landline	Rockford	Comcast Phone Of Illinois DBA Comco
(779) 429-	Landline	Wilmington	Sbc Internet Services
(779) 432-	Landline	Sheffield	Mtco Communications
(779) 435-	Landline	Joliet	Ameritech Illinois
(779) 444-	Landline	Wonder Lake	Bandwidth.com Clec
(779) 456-	Wireless	Joliet	T-mobile Usa
(779) 475-	Landline	Beloit	Charter Fiberlink - Illinois
(779) 500-	Landline	Rockford	Teleport Communications America
(779) 529-	Landline	Manteno	Bandwidth.com Clec
(779) 537-	Wireless	Rockford	Cellco Partnership DBA Verizon Wireless
(779) 545-	Landline	Mt Morris	Comcast Phone Of Illinois DBA Comco
(779) 548-	Landline	Marengo	Bandwidth.com Clec
(779) 552-	Landline	Belvidere	Digital Network Access Communications
(779) 696-	Landline	Rockford	Mcleodusa Telecommunications Services- Il
(779) 702-	Unknown		T-mobile Usa
(779) 703-	Wireless	Joliet	T-mobile Usa
(779) 704-	Landline	Mchenry	Mci Worldcom Communications
(779) 770-	Wireless	Rockford	Cricket Communications
(779) 771-	Wireless	Rockford	Cricket Communications
(779) 772-	Wireless	Rockford	Cricket Communications
(779) 774-	Landline	Rockford	Tds Metrocom Inc.-il
(779) 777-	Wireless	Dekalb	Cricket Communications
(779) 800-	Landline	Crystal Lake	Neutral Tandem-illinois
(779) 803-	Landline	New Lenox	Bandwidth.com Clec
(779) 861-	Wireless	Dixon	Cellco Partnership DBA Verizon Wireless
(779) 875-	Wireless	Joliet	Sprint Spectrum L.p.
(779) 903-	Landline	Braidwood	Broadvox-clec
(779) 994-	Landline	Crystal Lake	Peerless Network Of Illinois
(779) 999-	Landline	Newark	Peerless Network Of Illinois