779 Area Code

Area Code 779 Map

Area code 779 generally covers Rockford, Joliet, and Dekalb in the U.S. State of Illinois.

Top cities in area code 779

City Prefixes
Rockford, IL18.1%
Joliet, IL10.1%
Dekalb, IL7%
Frankfort, IL3%
Kankakee, IL3%
Woodstock, IL2.5%
Plainfield, IL2%
South Beloit, IL2%
Crystal Lake, IL2%
Sandwich, IL2%

Top telephone carriers in area code 779

Carrier Prefixes
Stratus Networks17.1%
Fractel12.1%
New Cingular Wireless8%
Onvoy7.5%
Verizon7%
T-Mobile6.5%
Bandwidth.com5.5%
Peerless Network Of Illinois4.5%
Teleport Communications America4%
Sprint Spectrum2.5%

Area code 779 has 199 prefixes

Prefix Primary City Usage
779-200RockfordWireless
779-201La SalleWireless
779-202GalenaLandline
779-203RockfordWireless
779-204VeronaLandline
779-205JolietWireless
779-206JolietWireless
779-207RockfordWireless
779-208RockfordWireless
779-209SandwichLandline
779-210RockfordLandline
779-212DekalbWireless
779-213OglesbyLandline
779-214GalenaLandline
779-215TonicaLandline
779-216FrankfortLandline
779-218WatsekaLandline
779-220Crystal LakeLandline
779-221RockfordLandline
779-222DekalbLandline
779-223OnargaLandline
779-225JolietWireless
779-226PoloLandline
779-227JolietWireless
779-228MazonLandline
779-229GranvilleLandline
779-230JolietWireless
779-231JolietLandline
779-232WilmingtonLandline
779-233JolietWireless
779-234PlainfieldLandline
779-235Crescent CityWireless
779-236KankakeeWireless
779-237AnconaWireless
779-238RockfordWireless
779-239PrincetonWireless
779-240KankakeeWireless
779-241MorrisWireless
779-242JolietWireless
779-243FrankfortWireless
779-244MchenryWireless
779-245SterlingWireless
779-246RochelleLandline
779-247WoodstockWireless
779-248GalenaLandline
779-249DwightWireless
779-250SterlingWireless
779-251DixonLandline
779-252PlainfieldLandline
779-253South BeloitWireless
779-254FrankfortLandline
779-255DekalbLandline
779-256RockfordLandline
779-257WilmingtonLandline
779-258HerscherLandline
779-259MantenoLandline
779-260JolietWireless
779-261FairburyLandline
779-262OglesbyLandline
779-263PlainfieldLandline
779-264KankakeeWireless
779-265MchenryLandline
779-266LanarkLandline
779-267JolietWireless
779-268Saint AnneLandline
779-269RockfordLandline
779-270DekalbLandline
779-271LanarkWireless
779-272RockfordLandline
779-273DanforthLandline
779-274RockfordWireless
779-275RockfordLandline
779-276DekalbLandline
779-277FlanaganLandline
779-279JolietWireless
779-280DonovanLandline
779-281TolucaLandline
779-282MartintonLandline
779-283RichmondLandline
779-284SheldonLandline
779-285SheridanLandline
779-286Spring GroveLandline
779-287UnionLandline
779-289South BeloitLandline
779-290MilfordLandline
779-291Wonder LakeLandline
779-292OnargaLandline
779-293New LenoxLandline
779-294EarlvilleLandline
779-295MazonLandline
779-296Long PointLandline
779-297DixonLandline
779-298ForrestLandline
779-299WenonaLandline
779-300RockfordWireless
779-301KankakeeWireless
779-302WoodstockWireless
779-303PlainfieldLandline
779-304RutlandLandline
779-305ReddickLandline
779-306PontiacLandline
779-307LostantLandline
779-308ChatsworthLandline
779-310RockfordLandline
779-313RockfordLandline
779-314RockfordLandline
779-315RockfordLandline
779-316DekalbLandline
779-317DekalbLandline
779-318DekalbLandline
779-319DekalbLandline
779-320Monroe CenterLandline
779-321DekalbLandline
779-322HooppoleLandline
779-323RockfordLandline
779-324FrankfortLandline
779-325AshtonLandline
779-326DwightLandline
779-333FrankfortLandline
779-334DekalbLandline
779-336WoodstockLandline
779-345RockfordLandline
779-346CapronLandline
779-348RockfordLandline
779-356Crystal LakeLandline
779-368RockfordLandline
779-379JolietWireless
779-382GenoaLandline
779-399KinsmanLandline
779-400DekalbLandline
779-423RockfordLandline
779-429WilmingtonLandline
779-432SheffieldLandline
779-435JolietLandline
779-444Wonder LakeLandline
779-456JolietWireless
779-465BraidwoodLandline
779-475South BeloitLandline
779-500RockfordLandline
779-513RockfordLandline
779-529MantenoLandline
779-537RockfordWireless
779-545Mount MorrisLandline
779-548MarengoLandline
779-552BelvidereLandline
779-599Paw PawLandline
779-600Cissna ParkLandline
779-601La SalleLandline
779-666RockfordLandline
779-677FreeportLandline
779-678RockfordLandline
779-696RockfordLandline
779-699South BeloitLandline
779-701KankakeeLandline
779-702JolietWireless
779-703JolietWireless
779-704MchenryLandline
779-706SandwichWireless
779-707JolietLandline
779-710RockfordLandline
779-713WoodstockWireless
779-717Spring ValleyLandline
779-722AshtonLandline
779-732La SalleLandline
779-758JolietLandline
779-766GranvilleLandline
779-770RockfordWireless
779-771RockfordWireless
779-772RockfordWireless
779-774RockfordLandline
779-777DekalbWireless
779-778RockfordLandline
779-788PecatonicaLandline
779-799ChadwickLandline
779-800Crystal LakeLandline
779-801KankakeeLandline
779-803New LenoxLandline
779-804PontiacLandline
779-861DixonWireless
779-875JolietWireless
779-877VeronaLandline
779-888RockfordLandline
779-899NewarkLandline
779-900FrankfortLandline
779-901MarengoLandline
779-903BraidwoodLandline
779-910DekalbLandline
779-915WoodstockWireless
779-922HooppoleLandline
779-931SandwichLandline
779-933HinckleyLandline
779-939JolietWireless
779-946GranvilleLandline
779-970RockfordWireless
779-977HarvardLandline
779-978SandwichWireless
779-991LelandLandline
779-994Crystal LakeLandline
779-999NewarkLandline

Statistics for area code 779