815 Area Code

Area Code 815 Map

Area code 815 generally covers Rockford, and Joliet in the U.S. State of Illinois.

Top cities in area code 815

City Prefixes
Rockford, IL11.9%
Joliet, IL7.7%
Dekalb, IL3.2%
Kankakee, IL2.8%
Freeport, IL2.3%
Woodstock, IL2.3%
Lockport, IL2.2%
Mchenry, IL2.2%
Crystal Lake, IL2%
Sterling, IL1.9%

Top telephone carriers in area code 815

Carrier Prefixes
Illinois Bell Tel20.1%
Frontier North17%
Level 3 Communications9.6%
Aero North Communications5.5%
New Cingular Wireless5.2%
Sprint Spectrum5.2%
Verizon5.1%
United States Cellular2.9%
Mediacom Telephony Of Illinois2.6%
Teleport Communications America2.3%

Area code 815 has 782 prefixes

Prefix Primary City Usage
815-200La SalleLandline
815-201RockfordWireless
815-202OglesbyWireless
815-203JolietWireless
815-204Crystal LakeWireless
815-205BrookfieldWireless
815-206WoodstockLandline
815-207JolietLandline
815-208FultonLandline
815-209RockfordLandline
815-210JolietWireless
815-212JolietLandline
815-213SterlingWireless
815-214KankakeeLandline
815-215New LenoxLandline
815-216BourbonnaisWireless
815-217DekalbLandline
815-218RockfordWireless
815-219Crystal LakeWireless
815-220La SalleLandline
815-221LockportLandline
815-222RockfordWireless
815-223La SalleLandline
815-224La SalleLandline
815-225MilledgevilleLandline
815-226RockfordLandline
815-227RockfordLandline
815-228OglesbyWireless
815-229RockfordLandline
815-230PlainfieldLandline
815-231RockfordLandline
815-232FreeportLandline
815-233FreeportLandline
815-234ByronLandline
815-235FreeportLandline
815-236WoodstockWireless
815-237GardnerLandline
815-238FreeportWireless
815-239PecatonicaLandline
815-240RockfordLandline
815-241DeerfieldWireless
815-242RockfordWireless
815-243RockfordWireless
815-244Mount CarrollLandline
815-245WoodstockWireless
815-246EarlvilleLandline
815-247German ValleyLandline
815-248DurandLandline
815-249Grand RidgeLandline
815-250La SalleLandline
815-251DixonLandline
815-252OglesbyWireless
815-253KemptonLandline
815-254PlainfieldLandline
815-255MinookaLandline
815-256CaberyLandline
815-257StreatorWireless
815-258JolietWireless
815-259ThomsonLandline
815-260JolietWireless
815-261Crystal LakeLandline
815-262RockfordWireless
815-263BourbonnaisWireless
815-264WatermanLandline
815-265GilmanLandline
815-266FreeportLandline
815-267PlainfieldLandline
815-268OnargaLandline
815-269DanforthLandline
815-270LanarkLandline
815-271MchenryLandline
815-272JolietLandline
815-273SavannaLandline
815-274JolietWireless
815-275FreeportWireless
815-276Crystal LakeLandline
815-277FrankfortLandline
815-278BourbonnaisWireless
815-279BourbonnaisWireless
815-280JolietLandline
815-281GalenaWireless
815-282Loves ParkLandline
815-283DekalbLandline
815-284DixonLandline
815-285DixonLandline
815-286HinckleyLandline
815-287VeronaLandline
815-288DixonLandline
815-289RockfordWireless
815-290MinookaLandline
815-291FreeportWireless
815-292Poplar GroveLandline
815-293LockportLandline
815-294BrookfieldWireless
815-295KankakeeLandline
815-296RockfordWireless
815-297FreeportLandline
815-298RockfordWireless
815-299RockfordWireless
815-300ChicagoLandline
815-301Crystal LakeLandline
815-302JolietWireless
815-303PrincetonWireless
815-304KankakeeLandline
815-305GardnerLandline
815-306LockportLandline
815-307MchenryLandline
815-308WoodstockLandline
815-309ShannonLandline
815-310UticaLandline
815-312RockfordLandline
815-313OttawaLandline
815-314ManhattanLandline
815-315RockfordLandline
815-316RockfordLandline
815-317Crescent CityLandline
815-318MorrisLandline
815-319RockfordWireless
815-320BourbonnaisWireless
815-321WoodstockLandline
815-322MchenryLandline
815-323BelvidereLandline
815-324OttawaLandline
815-325JolietWireless
815-326OglesbyWireless
815-327PlainfieldLandline
815-328LockportLandline
815-329RockfordLandline
815-330Crescent CityLandline
815-331MchenryLandline
815-332Cherry ValleyLandline
815-333WoodstockLandline
815-334WoodstockLandline
815-335WinnebagoLandline
815-336ChadwickLandline
815-337WoodstockLandline
815-338WoodstockLandline
815-339GranvilleLandline
815-340La MoilleLandline
815-341JolietWireless
815-342JolietWireless
815-343OglesbyWireless
815-344MchenryLandline
815-345WoodstockLandline
815-346GardnerLandline
815-347UnionWireless
815-348KankakeeLandline
815-349MchenryLandline
815-350AshtonLandline
815-351BourbonnaisWireless
815-352KankakeeLandline
815-353UnionWireless
815-354UnionWireless
815-355UnionWireless
815-356Crystal LakeLandline
815-357SenecaLandline
815-358CornellLandline
815-359HarmonLandline
815-360SubletteLandline
815-361ManhattanLandline
815-362German ValleyLandline
815-363MchenryLandline
815-364MorrisLandline
815-365ReddickLandline
815-366OttawaLandline
815-367WinslowLandline
815-368LostantLandline
815-369LenaLandline
815-370BourbonnaisWireless
815-371UticaLandline
815-372LockportLandline
815-373ElwoodLandline
815-374DwightLandline
815-375DekalbWireless
815-376OhioLandline
815-377Crescent CityLandline
815-378RockfordWireless
815-379WalnutLandline
815-380SterlingLandline
815-381RockfordLandline
815-382UnionWireless
815-383Crescent CityWireless
815-384EsmondLandline
815-385MchenryLandline
815-386BourbonnaisWireless
815-387RockfordLandline
815-388MchenryLandline
815-389South BeloitLandline
815-390BraidwoodLandline
815-391RockfordLandline
815-392KinsmanLandline
815-393Monroe CenterLandline
815-394RockfordLandline
815-395RockfordLandline
815-396StewardLandline
815-397RockfordLandline
815-398RockfordLandline
815-399RockfordLandline
815-400MorrisonLandline
815-401KankakeeLandline
815-402GalenaLandline
815-403MchenryWireless
815-404Crystal LakeWireless
815-405JolietWireless
815-406ByronLandline
815-407LockportLandline
815-408UticaLandline
815-409JolietWireless
815-410La SalleLandline
815-412FrankfortLandline
815-413MorrisLandline
815-414EarlvilleWireless
815-415SenecaLandline
815-416MorrisLandline
815-417BraidwoodLandline
815-418ManhattanLandline
815-419PontiacLandline
815-420EsmondLandline
815-421HerscherLandline
815-422Saint AnneLandline
815-423ElwoodLandline
815-424ElwoodLandline
815-425Crystal LakeLandline
815-426HerscherLandline
815-427Saint AnneLandline
815-428MartintonLandline
815-429SheldonLandline
815-430MchenryLandline
815-431OttawaLandline
815-432WatsekaLandline
815-433OttawaLandline
815-434OttawaLandline
815-435BeavervilleLandline
815-436PlainfieldLandline
815-437PutnamLandline
815-438TampicoLandline
815-439PlainfieldLandline
815-440DixonWireless
815-441SterlingWireless
815-442TonicaLandline
815-443Pearl CityLandline
815-444Crystal LakeLandline
815-445SheffieldLandline
815-446OglesbyLandline
815-447GranvilleLandline
815-448MazonLandline
815-449DakotaLandline
815-450MomenceWireless
815-451UnionWireless
815-452RutlandLandline
815-453AshtonLandline
815-454SheffieldLandline
815-455Crystal LakeLandline
815-456AshtonLandline
815-457Cissna ParkLandline
815-458BraidwoodLandline
815-459Crystal LakeLandline
815-460JolietLandline
815-461LockportLandline
815-462New LenoxLandline
815-463New LenoxLandline
815-464FrankfortLandline
815-465Grant ParkLandline
815-466Grant ParkLandline
815-467MinookaLandline
815-468MantenoLandline
815-469FrankfortLandline
815-470RockfordLandline
815-471WatsekaWireless
815-472MomenceLandline
815-473Crescent CityLandline
815-474JolietWireless
815-475MinookaLandline
815-476WilmingtonLandline
815-477Crystal LakeLandline
815-478ManhattanLandline
815-479Crystal LakeLandline
815-480RockfordWireless
815-481BrookfieldWireless
815-482UnionWireless
815-483JolietWireless
815-484RockfordLandline
815-485New LenoxLandline
815-486DonovanLandline
815-487PlainfieldLandline
815-488BrookfieldWireless
815-489RockfordLandline
815-490RockfordLandline
815-491RockfordWireless
815-492Apple RiverLandline
815-493LanarkLandline
815-494RockfordWireless
815-495LelandLandline
815-496SheridanLandline
815-497ComptonLandline
815-498SomonaukLandline
815-499SterlingWireless
815-500MarseillesLandline
815-501DekalbWireless
815-502WoodstockLandline
815-503MendotaWireless
815-504GardnerLandline
815-505RockfordWireless
815-506UnionLandline
815-507MomenceLandline
815-508DekalbWireless
815-509RockfordWireless
815-510StreatorLandline
815-512LockportLandline
815-513MorrisLandline
815-514JolietWireless
815-515WatsekaLandline
815-516RockfordLandline
815-517DekalbLandline
815-518Coal CityLandline
815-519RockfordWireless
815-520RockfordWireless
815-521MinookaLandline
815-522KirklandLandline
815-523KankakeeLandline
815-524LockportLandline
815-525South BeloitLandline
815-526Crystal LakeLandline
815-527WoodstockLandline
815-528MchenryLandline
815-529UnionWireless
815-530JolietLandline
815-531JolietLandline
815-532Coal CityWireless
815-533BrookfieldWireless
815-534FrankfortLandline
815-535SterlingLandline
815-536BrookfieldWireless
815-537ProphetstownLandline
815-538MendotaLandline
815-539MendotaLandline
815-540RockfordWireless
815-541FreeportWireless
815-542Deer GroveLandline
815-543RockfordWireless
815-544BelvidereLandline
815-545JolietWireless
815-546JolietWireless
815-547BelvidereLandline
815-548SterlingLandline
815-549KankakeeWireless
815-550Grant ParkLandline
815-551LanarkLandline
815-552LockportLandline
815-553JolietLandline
815-554East DubuqueLandline
815-556PlainfieldLandline
815-557JolietWireless
815-558RockfordWireless
815-560HarvardLandline
815-561RochelleLandline
815-562RochelleLandline
815-563DakotaLandline
815-564SterlingLandline
815-565MorrisonLandline
815-566BelvidereLandline
815-567CaberyLandline
815-568MarengoLandline
815-569CapronLandline
815-570SandwichLandline
815-571ShannonLandline
815-572MarengoLandline
815-573KankakeeLandline
815-574HarmonLandline
815-575WoodstockWireless
815-576PoloLandline
815-577PlainfieldLandline
815-578MchenryLandline
815-579La SalleWireless
815-580RockfordLandline
815-581Spring GroveLandline
815-582JolietWireless
815-583MorrisonLandline
815-584DwightLandline
815-585MorrisLandline
815-586RansomLandline
815-587OttawaLandline
815-588LockportLandline
815-589FultonLandline
815-590SterlingWireless
815-591HanoverLandline
815-592BourbonnaisWireless
815-593DekalbLandline
815-594Apple RiverLandline
815-595OregonLandline
815-596MarengoLandline
815-597BelvidereLandline
815-598ElizabethLandline
815-599FreeportLandline
815-600JolietLandline
815-601RockfordLandline
815-602KankakeeLandline
815-603KankakeeWireless
815-604BelvidereLandline
815-605Grant ParkLandline
815-606OttawaLandline
815-607FlanaganLandline
815-608RockfordWireless
815-609PlainfieldLandline
815-610CornellLandline
815-612GraymontLandline
815-613DixonWireless
815-614KankakeeLandline
815-615MendotaLandline
815-616FreeportWireless
815-617OttawaLandline
815-618FreeportWireless
815-619RocktonLandline
815-620MinookaLandline
815-621RockfordWireless
815-622SterlingLandline
815-623RoscoeLandline
815-624RocktonLandline
815-625SterlingLandline
815-626SterlingLandline
815-627Paw PawLandline
815-628West BrooklynLandline
815-629DurandLandline
815-630JolietWireless
815-631SterlingLandline
815-632SterlingLandline
815-633Loves ParkLandline
815-634Coal CityLandline
815-635ChatsworthLandline
815-636Loves ParkLandline
815-637Loves ParkLandline
815-638La MoilleLandline
815-639Loves ParkLandline
815-640OttawaLandline
815-641RockfordWireless
815-642MinookaLandline
815-643ArlingtonLandline
815-644Crescent CityLandline
815-645ByronLandline
815-646TiskilwaLandline
815-647CullomLandline
815-648HebronLandline
815-649GardnerLandline
815-650FreeportLandline
815-651JolietLandline
815-652DixonLandline
815-653Wonder LakeLandline
815-654Loves ParkLandline
815-655Coal CityLandline
815-656FreeportLandline
815-657ForrestLandline
815-658NewarkLandline
815-659GranvilleLandline
815-660LockportLandline
815-661MorrisLandline
815-662MomenceLandline
815-663Spring ValleyLandline
815-664Spring ValleyLandline
815-665OttawaLandline
815-666JolietWireless
815-667UticaLandline
815-668RockfordLandline
815-669MchenryLandline
815-670RockfordWireless
815-671JolietLandline
815-672StreatorLandline
815-673StreatorLandline
815-674StreatorWireless
815-675Spring GroveLandline
815-676PlainfieldLandline
815-677ElizabethLandline
815-678RichmondLandline
815-679MchenryLandline
815-680ManhattanLandline
815-681RockfordLandline
815-682MilfordLandline
815-683Crescent CityLandline
815-684ChadwickLandline
815-685JolietWireless
815-686Piper CityLandline
815-687WoodstockLandline
815-688StrawnLandline
815-689CullomLandline
815-690JolietWireless
815-691UticaLandline
815-692FairburyLandline
815-693JolietWireless
815-694CliftonLandline
815-695NewarkLandline
815-696RoscoeLandline
815-697ChebanseLandline
815-698AshkumLandline
815-699WyanetLandline
815-701WoodstockLandline
815-702SauneminLandline
815-703RockfordWireless
815-704South BeloitLandline
815-705MorrisLandline
815-706RockfordLandline
815-707GilmanLandline
815-708RockfordLandline
815-709Coal CityLandline
815-710MorrisLandline
815-712HarvardWireless
815-713RockfordLandline
815-714JolietLandline
815-715JolietWireless
815-716SterlingWireless
815-718SterlingWireless
815-719PrincetonWireless
815-720RockfordLandline
815-721RockfordLandline
815-722JolietLandline
815-723JolietLandline
815-724JolietLandline
815-725JolietLandline
815-726JolietLandline
815-727JolietLandline
815-728Wonder LakeLandline
815-729JolietLandline
815-730JolietLandline
815-731PlainfieldLandline
815-732OregonLandline
815-733PlainfieldLandline
815-734Mount MorrisLandline
815-735JolietWireless
815-736NewarkLandline
815-737CapronLandline
815-738Leaf RiverLandline
815-739SycamoreWireless
815-740JolietLandline
815-741JolietLandline
815-742RockfordWireless
815-743GraymontLandline
815-744JolietLandline
815-745WarrenLandline
815-746MarseillesLandline
815-747East DubuqueLandline
815-748DekalbLandline
815-749RockfordWireless
815-750MarseillesLandline
815-751DekalbWireless
815-752DekalbLandline
815-753DekalbLandline
815-754DekalbLandline
815-755DekalbWireless
815-756DekalbLandline
815-757DekalbWireless
815-758DekalbLandline
815-759MchenryLandline
815-760HennepinWireless
815-761DekalbWireless
815-762DekalbWireless
815-763RockfordWireless
815-764DekalbWireless
815-765Poplar GroveLandline
815-766DekalbWireless
815-767BrookfieldWireless
815-768JolietWireless
815-769SenecaLandline
815-770HarvardLandline
815-771AshkumLandline
815-772MorrisonLandline
815-773JolietLandline
815-774JolietLandline
815-775WoodstockWireless
815-776GalenaLandline
815-777GalenaLandline
815-778LyndonLandline
815-780La SalleLandline
815-781ChebanseLandline
815-782PlainfieldLandline
815-783GilmanLandline
815-784GenoaLandline
815-785WatsekaLandline
815-786SandwichLandline
815-787DekalbLandline
815-788Crystal LakeLandline
815-789OrangevilleLandline
815-790UnionWireless
815-791JolietWireless
815-792EarlvilleLandline
815-793DekalbWireless
815-794MarseillesLandline
815-795MarseillesLandline
815-796FlanaganLandline
815-797SomonaukLandline
815-798MilledgevilleLandline
815-799HarmonLandline
815-800Poplar GroveLandline
815-801FreeportLandline
815-802KankakeeLandline
815-803ByronLandline
815-804PecatonicaLandline
815-805DurandLandline
815-806FrankfortLandline
815-807German ValleyLandline
815-808WinslowLandline
815-809LenaLandline
815-810Pearl CityLandline
815-812DakotaLandline
815-813Apple RiverLandline
815-814WoodstockWireless
815-816DakotaLandline
815-817HanoverLandline
815-818WarrenLandline
815-819OrangevilleLandline
815-820ElizabethLandline
815-821FreeportLandline
815-822AnconaWireless
815-823JolietLandline
815-824ShabbonaLandline
815-825MaltaLandline
815-826SomonaukWireless
815-827Maple ParkLandline
815-828MinookaLandline
815-829ChadwickLandline
815-830OglesbyWireless
815-831DavisLandline
815-832SauneminLandline
815-833LenaLandline
815-834LockportLandline
815-835DixonLandline
815-836LockportLandline
815-837ForrestonLandline
815-838LockportLandline
815-839KankakeeLandline
815-840StocktonLandline
815-841Mount MorrisLandline
815-842PontiacLandline
815-843AshtonLandline
815-844PontiacLandline
815-845Apple RiverLandline
815-846JolietLandline
815-847RockfordLandline
815-848PontiacWireless
815-849SubletteLandline
815-850German ValleyLandline
815-851BourbonnaisWireless
815-852Apple RiverLandline
815-853WenonaLandline
815-854Long PointLandline
815-855MilledgevilleLandline
815-856LostantLandline
815-857AmboyLandline
815-858ElizabethLandline
815-859RochelleLandline
815-860ElwoodLandline
815-861UnionWireless
815-862CapronLandline
815-863RutlandLandline
815-864ShannonLandline
815-865DavisLandline
815-866PrincetonWireless
815-867PontiacWireless
815-868LenaLandline
815-869MagnoliaLandline
815-870RockfordWireless
815-871RockfordWireless
815-872PrincetonLandline
815-873RockfordLandline
815-874RockfordLandline
815-875PrincetonLandline
815-876PrincetonLandline
815-877Loves ParkLandline
815-878PrincetonWireless
815-879PrincetonLandline
815-880WoodstockLandline
815-881OregonLandline
815-882HennepinLandline
815-883OglesbyLandline
815-884HarvardLandline
815-885CaledoniaLandline
815-886LockportLandline
815-887HarvardLandline
815-888RochelleLandline
815-889MilfordLandline
815-890RockfordLandline
815-891WinnebagoLandline
815-892RockfordLandline
815-893Crystal LakeLandline
815-894LaddLandline
815-895SycamoreLandline
815-896DurandLandline
815-897LyndonLandline
815-898ElizabethLandline
815-899SycamoreLandline
815-900AmboyLandline
815-901DekalbLandline
815-902LyndonLandline
815-903MchenryWireless
815-904RockfordWireless
815-905LockportLandline
815-906Mount CarrollLandline
815-907MantenoLandline
815-908FreeportWireless
815-909DekalbLandline
815-910MendotaWireless
815-912BelvidereLandline
815-913JolietLandline
815-914RockfordWireless
815-915Coal CityLandline
815-916MinookaWireless
815-917RochelleLandline
815-918CliftonLandline
815-919JolietWireless
815-920CornellLandline
815-921RockfordLandline
815-922BourbonnaisWireless
815-923UnionLandline
815-924ProphetstownLandline
815-925HennepinLandline
815-926WilmingtonLandline
815-927JolietLandline
815-928KankakeeLandline
815-929KankakeeLandline
815-930ElizabethLandline
815-931JolietWireless
815-932KankakeeLandline
815-933KankakeeLandline
815-934EmingtonLandline
815-935KankakeeLandline
815-936KankakeeLandline
815-937KankakeeLandline
815-938ForrestonLandline
815-939KankakeeLandline
815-940GardnerLandline
815-941MorrisLandline
815-942MorrisLandline
815-943HarvardLandline
815-944BeavervilleLandline
815-945ChenoaLandline
815-946PoloLandline
815-947StocktonLandline
815-948AnnawanLandline
815-949CaberyLandline
815-951AmboyLandline
815-952LanarkLandline
815-953BourbonnaisWireless
815-954BourbonnaisWireless
815-955JolietWireless
815-956MorrisonLandline
815-957RocktonLandline
815-960Leaf RiverLandline
815-961RockfordLandline
815-962RockfordLandline
815-963RockfordLandline
815-964RockfordLandline
815-965RockfordLandline
815-966RockfordLandline
815-967RockfordLandline
815-968RockfordLandline
815-969RockfordLandline
815-970SycamoreWireless
815-971RockfordLandline
815-972RockfordLandline
815-973DixonWireless
815-974HebronLandline
815-975BelvidereWireless
815-977RockfordLandline
815-978RockfordWireless
815-979RockfordWireless
815-980RockfordWireless
815-981OttawaLandline
815-982TampicoLandline
815-983RockfordWireless
815-984WellingtonLandline
815-985RockfordWireless
815-986RockfordWireless
815-987RockfordLandline
815-988RockfordWireless
815-989ProphetstownLandline
815-990FreeportWireless
815-991SycamoreLandline
815-992StreatorWireless
815-993OglesbyWireless
815-994DixonWireless
815-995DekalbLandline
815-996SavannaWireless
815-997RockfordLandline
815-998OdellLandline
815-999JolietLandline

Statistics for area code 815