406 Area Code

Area code 406 generally covers Billings, Missoula, and Helena in the U.S. State of Montana.

Top cities in area code 406

City Prefixes
Billings, MT9.1%
Missoula, MT5.5%
Helena, MT5.2%
Great Falls, MT4.6%
Bozeman, MT4.1%
Kalispell, MT3.3%
Butte, MT2.3%
Havre, MT1.7%
Sidney, MT1.6%
Miles City, MT1.4%

Top telephone carriers in area code 406

Carrier Prefixes
Qwest19.4%
Verizon13.6%
New Cingular Wireless10.3%
Triangle Tel. Coop. Assn.5.7%
Onvoy4.9%
Nemont Tel Coop Inc4.8%
Level 3 Communications4.3%
Mid-rivers Tel.3.9%
3 Rivers Tel.3.9%
Bresnan Broadband Of Montana3.8%

Area code 406 has 691 prefixes

Prefix Primary City Usage
406-200BillingsLandline
406-201RosebudWireless
406-202HelenaWireless
406-203MissoulaLandline
406-204HelenaLandline
406-205Great FallsLandline
406-206BillingsLandline
406-207MissoulaWireless
406-208BillingsWireless
406-209BozemanWireless
406-210Seeley LakeWireless
406-212KalispellWireless
406-213RosebudLandline
406-214MissoulaLandline
406-216Great FallsLandline
406-217Great FallsLandline
406-218MissoulaWireless
406-219BozemanLandline
406-220LivingstonWireless
406-221ButteLandline
406-222LivingstonLandline
406-223LivingstonWireless
406-224LivingstonWireless
406-225BoulderLandline
406-226EssexLandline
406-227HelenaLandline
406-228GlasgowLandline
406-229LivingstonWireless
406-230GlasgowWireless
406-231Great FallsWireless
406-232Miles CityLandline
406-233Miles CityLandline
406-234Miles CityLandline
406-235Wolf CreekLandline
406-236NeihartLandline
406-237BillingsLandline
406-238BillingsLandline
406-239MissoulaWireless
406-240MissoulaWireless
406-241MissoulaWireless
406-242Thompson FallsWireless
406-243MissoulaLandline
406-244BonnerLandline
406-245BillingsLandline
406-246DixonLandline
406-247BillingsLandline
406-248BillingsLandline
406-249KalispellWireless
406-250KalispellWireless
406-251MissoulaLandline
406-252BillingsLandline
406-253KalispellWireless
406-254BillingsLandline
406-255BillingsLandline
406-256BillingsLandline
406-257KalispellLandline
406-258MissoulaLandline
406-259BillingsLandline
406-260KalispellWireless
406-261KalispellWireless
406-262HavreLandline
406-263GlasgowLandline
406-264Fort ShawLandline
406-265HavreLandline
406-266TownsendLandline
406-267DivideLandline
406-268Great FallsLandline
406-269Saint RegisWireless
406-270KalispellWireless
406-271ConradLandline
406-272BillingsLandline
406-273LoloLandline
406-274MissoulaLandline
406-275RonanLandline
406-276LimaLandline
406-277BeltLandline
406-278ConradLandline
406-279ValierLandline
406-280Saint RegisWireless
406-281BillingsLandline
406-282ManhattanLandline
406-284ManhattanLandline
406-285Three ForksLandline
406-286ReserveLandline
406-287WhitehallLandline
406-288DrummondLandline
406-289ConradWireless
406-290ColumbusLandline
406-291LibbyWireless
406-292JoplinLandline
406-293LibbyLandline
406-294BillingsLandline
406-295TroyLandline
406-296EurekaLandline
406-297EurekaLandline
406-298ColumbusWireless
406-299ButteLandline
406-300KalispellLandline
406-301MaltaWireless
406-302Wolf CreekLandline
406-303MissoulaLandline
406-304MissoulaWireless
406-305White Sulphur SpringsWireless
406-306Three ForksLandline
406-308CascadeWireless
406-309KalispellWireless
406-313BoulderLandline
406-314KalispellWireless
406-315Great FallsLandline
406-316BoulderLandline
406-318RonanLandline
406-319PolsonLandline
406-320RoundupWireless
406-321ColumbusWireless
406-322ColumbusLandline
406-323RoundupLandline
406-324HelenaLandline
406-325BillingsLandline
406-326Reed PointLandline
406-327MissoulaLandline
406-328AbsarokeeLandline
406-329MissoulaLandline
406-330ClintonLandline
406-331RoundupWireless
406-332RonanLandline
406-333LivingstonLandline
406-334LibbyWireless
406-335Sweet GrassLandline
406-336Cut BankLandline
406-337SunburstLandline
406-338BrowningLandline
406-339ShelbyLandline
406-340LimaWireless
406-341Three ForksLandline
406-342SandersLandline
406-343WyolaLandline
406-344HavreWireless
406-345GlendiveLandline
406-346ForsythLandline
406-347RosebudLandline
406-348HuntleyLandline
406-349ConnerLandline
406-350LewistownWireless
406-351ForsythWireless
406-352Box ElderLandline
406-353HarlemLandline
406-354AngelaLandline
406-355RudyardLandline
406-356ForsythLandline
406-357LloydLandline
406-358MusselshellLandline
406-359GlendiveLandline
406-360HamiltonWireless
406-361HamiltonWireless
406-362LincolnLandline
406-363HamiltonLandline
406-364HinsdaleLandline
406-365GlendiveLandline
406-366LewistownWireless
406-367GlasgowLandline
406-368Canyon CreekLandline
406-369HamiltonWireless
406-370MissoulaWireless
406-371BillingsLandline
406-372KremlinLandline
406-373ShepherdLandline
406-374MooreLandline
406-375HamiltonLandline
406-376GildfordLandline
406-377GlendiveLandline
406-378Big SandyLandline
406-379TurnerLandline
406-380LewistownWireless
406-381HamiltonWireless
406-382SuperiorWireless
406-383DodsonLandline
406-384BillingsLandline
406-385WestbyLandline
406-386Big SandyLandline
406-387WhitefishLandline
406-388BelgradeLandline
406-389HelenaLandline
406-390HavreWireless
406-391Cut BankWireless
406-392FrazerLandline
406-393SomersLandline
406-394HavreLandline
406-395HavreLandline
406-396MissoulaWireless
406-397HinghamLandline
406-398HavreLandline
406-399HavreWireless
406-400HavreLandline
406-401Great FallsWireless
406-402Great FallsWireless
406-403Great FallsLandline
406-404BozemanLandline
406-407KalispellWireless
406-408ZortmanWireless
406-409BillingsWireless
406-412BillingsLandline
406-413BillingsLandline
406-414BozemanLandline
406-415Deer LodgeLandline
406-416ForsythLandline
406-417HelenaWireless
406-418Silver GateLandline
406-419VictorLandline
406-420BigforkLandline
406-421Miles CityLandline
406-422HelenaLandline
406-423HobsonLandline
406-424Great FallsLandline
406-425Red LodgeWireless
406-426Red LodgeWireless
406-427BroadusLandline
406-428Grass RangeLandline
406-429WinnettLandline
406-430HelenaLandline
406-431HelenaWireless
406-432LothairLandline
406-433SidneyLandline
406-434ShelbyLandline
406-435BillingsLandline
406-436BroadusLandline
406-437HelenaLandline
406-438HelenaWireless
406-439HelenaWireless
406-440HelenaLandline
406-441HelenaLandline
406-442HelenaLandline
406-443HelenaLandline
406-444HelenaLandline
406-445RobertsLandline
406-446Red LodgeLandline
406-447HelenaLandline
406-448BrocktonLandline
406-449HelenaLandline
406-450ShelbyWireless
406-451BozemanWireless
406-452Great FallsLandline
406-453Great FallsLandline
406-454Great FallsLandline
406-455Great FallsLandline
406-456ChesterLandline
406-457HelenaLandline
406-458HelenaLandline
406-459HelenaWireless
406-460ShelbyWireless
406-461HelenaWireless
406-462WinifredLandline
406-463PowerLandline
406-464RoyLandline
406-465HelenaWireless
406-466ChoteauLandline
406-467FairfieldLandline
406-468CascadeLandline
406-469PendroyLandline
406-470ShelbyWireless
406-471KalispellWireless
406-472ValierLandline
406-473Judith GapLandline
406-474WhitetailLandline
406-475HelenaLandline
406-476DuttonLandline
406-477AshlandLandline
406-478SidneyWireless
406-479ButteWireless
406-480SidneyWireless
406-482SidneyLandline
406-483DagmarLandline
406-484BelfryLandline
406-485CircleLandline
406-486MildredLandline
406-487ScobeyLandline
406-488SidneyLandline
406-489SidneyWireless
406-490ButteWireless
406-491ButteWireless
406-492GarrisonLandline
406-493MissoulaLandline
406-494ButteLandline
406-495HelenaLandline
406-496ButteLandline
406-497ButteLandline
406-498ButteWireless
406-499Seeley LakeWireless
406-500BillingsLandline
406-501WhitehallLandline
406-502HelenaLandline
406-504FairfieldLandline
406-505ConradWireless
406-506BillingsLandline
406-508FrenchtownLandline
406-510MissoulaLandline
406-513HelenaLandline
406-514CulbertsonWireless
406-515SuperiorWireless
406-518BozemanLandline
406-519MissoulaLandline
406-520AbsarokeeWireless
406-521TownsendWireless
406-522BozemanLandline
406-523MissoulaLandline
406-524NashuaLandline
406-525Wolf PointLandline
406-526Fort PeckLandline
406-527SacoLandline
406-528RonanLandline
406-529MissoulaWireless
406-530LaurelLandline
406-531MissoulaWireless
406-532MissoulaLandline
406-533ButteLandline
406-534BillingsLandline
406-535LewistownLandline
406-537MelvilleLandline
406-538LewistownLandline
406-539BozemanWireless
406-540MissoulaLandline
406-541MissoulaLandline
406-542MissoulaLandline
406-543MissoulaLandline
406-544MissoulaWireless
406-545BillingsLandline
406-546MissoulaWireless
406-547White Sulphur SpringsLandline
406-548BozemanLandline
406-549MissoulaLandline
406-551BozemanLandline
406-552MissoulaLandline
406-553DivideWireless
406-554VolborgLandline
406-556BozemanLandline
406-557JordanLandline
406-558HelenaLandline
406-559AnacondaWireless
406-560AnacondaWireless
406-561BillingsWireless
406-562FairfieldLandline
406-563AnacondaLandline
406-564Great FallsLandline
406-565ButteLandline
406-566StanfordLandline
406-567DentonLandline
406-568RyegateLandline
406-569SavageLandline
406-570BozemanWireless
406-571RonanLandline
406-572Two DotLandline
406-574BelfryLandline
406-575LavinaLandline
406-576ConradWireless
406-577BozemanLandline
406-578WilsallLandline
406-579BozemanWireless
406-580BozemanWireless
406-581BozemanWireless
406-582BozemanLandline
406-583BloomfieldLandline
406-584LindsayLandline
406-585BozemanLandline
406-586BozemanLandline
406-587BozemanLandline
406-588PlevnaLandline
406-590Great FallsWireless
406-591BillingsWireless
406-592BusbyLandline
406-593ButteWireless
406-594HelenaWireless
406-595BozemanWireless
406-596DillonWireless
406-597ShelbyWireless
406-598BillingsWireless
406-599BozemanWireless
406-600BozemanWireless
406-601BillingsLandline
406-602BozemanLandline
406-603HelenaLandline
406-604Great FallsLandline
406-606BillingsLandline
406-607KalispellLandline
406-612BigforkLandline
406-614BigforkLandline
406-615Thompson FallsWireless
406-616Three ForksLandline
406-620BillingsWireless
406-621LomaWireless
406-622Fort BentonLandline
406-623HardinLandline
406-624BozemanLandline
406-625StevensvilleLandline
406-626FrenchtownLandline
406-627BradyLandline
406-628LaurelLandline
406-629HardinWireless
406-630SidneyLandline
406-631ElmoLandline
406-632Two DotLandline
406-633Park CityLandline
406-634HelenaLandline
406-635FallonLandline
406-636LavinaLandline
406-637FallonLandline
406-638Crow AgencyLandline
406-639Lodge GrassLandline
406-640West YellowstoneWireless
406-641West YellowstoneWireless
406-642VictorLandline
406-643WyolaLandline
406-644CharloLandline
406-645Deer LodgeWireless
406-646West YellowstoneLandline
406-647BillingsLandline
406-648SacoLandline
406-649Saint RegisLandline
406-650Wolf PointLandline
406-651BillingsLandline
406-652BillingsLandline
406-653Wolf PointLandline
406-654MaltaLandline
406-655BillingsLandline
406-656BillingsLandline
406-657BillingsLandline
406-658MaltaLandline
406-659WyolaLandline
406-660DillonWireless
406-662BridgerLandline
406-663RapeljeLandline
406-664BelfryLandline
406-665HardinLandline
406-666Saint XavierLandline
406-667LavinaLandline
406-668FrombergLandline
406-669MoltLandline
406-670BillingsWireless
406-671BillingsWireless
406-672BillingsWireless
406-673ZortmanLandline
406-674WhitewaterLandline
406-675RonanLandline
406-676RonanLandline
406-677Seeley LakeLandline
406-678Saint RegisLandline
406-679HardinWireless
406-680MaltaWireless
406-681PolarisLandline
406-682Virginia CityLandline
406-683DillonLandline
406-684Twin BridgesLandline
406-685NorrisLandline
406-686WilsallLandline
406-687GlendiveLandline
406-688ScobeyWireless
406-689WisdomLandline
406-690BillingsWireless
406-691AnacondaWireless
406-692RollinsLandline
406-693Deer LodgeLandline
406-694BillingsLandline
406-695Wolf PointLandline
406-696BillingsWireless
406-697BillingsWireless
406-698BillingsWireless
406-699HardinWireless
406-702BillingsLandline
406-707LewistownWireless
406-708LewistownLandline
406-709LakesideLandline
406-715BusbyWireless
406-717BillingsLandline
406-719FrombergLandline
406-720AshlandWireless
406-721MissoulaLandline
406-722AlbertonLandline
406-723ButteLandline
406-724RichlandLandline
406-725LarslanLandline
406-726ArleeLandline
406-727Great FallsLandline
406-728MissoulaLandline
406-729WilsallLandline
406-730WhitefishLandline
406-731Great FallsLandline
406-732BrowningLandline
406-733HighwoodLandline
406-734CarterLandline
406-735GeyserLandline
406-736StockettLandline
406-737GeraldineLandline
406-738RaynesfordLandline
406-739LomaLandline
406-740AshlandWireless
406-741Hot SpringsLandline
406-742SidneyLandline
406-743LaurelWireless
406-744CharloLandline
406-745Saint IgnatiusLandline
406-746NashuaLandline
406-747SidneyLandline
406-748AshlandLandline
406-749AshlandWireless
406-750Great FallsWireless
406-751KalispellLandline
406-752KalispellLandline
406-753BradyLandline
406-754CondonLandline
406-755KalispellLandline
406-756KalispellLandline
406-757DeckerLandline
406-758KalispellLandline
406-759ChesterLandline
406-761Great FallsLandline
406-762OpheimLandline
406-763Gallatin GatewayLandline
406-764BelfryLandline
406-765PlentywoodLandline
406-766FroidLandline
406-767AlzadaLandline
406-768PoplarLandline
406-769BainvilleLandline
406-770Great FallsWireless
406-771Great FallsLandline
406-772PlevnaLandline
406-773RicheyLandline
406-774LambertLandline
406-775EkalakaLandline
406-776SavageLandline
406-777StevensvilleLandline
406-778BakerLandline
406-779FlaxvilleLandline
406-780ColumbusWireless
406-781Great FallsWireless
406-782ButteLandline
406-783ScobeyLandline
406-784AshlandLandline
406-785NashuaLandline
406-786BrocktonLandline
406-787CulbertsonLandline
406-788Great FallsWireless
406-789Medicine LakeLandline
406-790CulbertsonWireless
406-791Great FallsLandline
406-792ButteLandline
406-793OvandoLandline
406-794BillingsLandline
406-795WibauxLandline
406-796WibauxLandline
406-797ButteLandline
406-798SidneyLandline
406-799Great FallsWireless
406-800BridgerLandline
406-804GardinerLandline
406-808HavreWireless
406-812LaurelLandline
406-813BelgradeLandline
406-818Red LodgeWireless
406-820WhitefishLandline
406-821DarbyLandline
406-822SuperiorLandline
406-823LivingstonLandline
406-824Saint IgnatiusWireless
406-825ClintonLandline
406-826PlainsLandline
406-827Thompson FallsLandline
406-828AlzadaLandline
406-829MissoulaLandline
406-830MissoulaLandline
406-831BillingsLandline
406-832Wise RiverLandline
406-833RonanWireless
406-834JacksonLandline
406-835DivideLandline
406-837BigforkLandline
406-838Silver GateLandline
406-839BillingsLandline
406-840BelfryLandline
406-841HelenaLandline
406-842SheridanLandline
406-843Virginia CityLandline
406-844LakesideLandline
406-845Cut BankLandline
406-846Deer LodgeLandline
406-847NoxonLandline
406-848EmigrantLandline
406-849ElmoLandline
406-850BillingsWireless
406-851Miles CityWireless
406-852Miles CityWireless
406-853Miles CityWireless
406-854MarionLandline
406-855BillingsWireless
406-856CusterLandline
406-857SomersLandline
406-858KalispellLandline
406-859PhilipsburgLandline
406-860BillingsWireless
406-861BillingsWireless
406-862WhitefishLandline
406-863WhitefishLandline
406-864AlbertonLandline
406-865DillonWireless
406-866VaughnLandline
406-867BillingsLandline
406-868Great FallsWireless
406-869BillingsLandline
406-871KalispellWireless
406-872PolsonLandline
406-873Cut BankLandline
406-874Miles CityLandline
406-875WordenLandline
406-877WibauxLandline
406-878Great FallsWireless
406-879HavreWireless
406-880MissoulaWireless
406-881WhitefishLandline
406-882EurekaLandline
406-883PolsonLandline
406-884PolsonLandline
406-885KalispellWireless
406-886BigforkLandline
406-887RonanLandline
406-888Columbia FallsLandline
406-889EurekaLandline
406-890KalispellLandline
406-891PlevnaWireless
406-892Columbia FallsLandline
406-893PeerlessLandline
406-895OutlookLandline
406-896BillingsLandline
406-897WhitefishLandline
406-898BozemanLandline
406-899Great FallsWireless
406-900EnnisLandline
406-902Great FallsLandline
406-905JolietLandline
406-909WhitefishWireless
406-916HelenaWireless
406-919BelgradeLandline
406-922BozemanLandline
406-923Great FallsLandline
406-924BelgradeLandline
406-925DillonWireless
406-926MissoulaLandline
406-927BillingsWireless
406-929WhitefishLandline
406-930Big TimberWireless
406-931Big TimberWireless
406-932Big TimberLandline
406-933ClancyLandline
406-936WilsallLandline
406-937Sweet GrassLandline
406-939GlendiveWireless
406-940MoltWireless
406-941GlendiveWireless
406-942GlasgowWireless
406-943SidneyLandline
406-944Miles CityLandline
406-945HavreWireless
406-946LivingstonLandline
406-947MusselshellLandline
406-948GlendiveLandline
406-949TownsendWireless
406-951Miles CityWireless
406-956BakerWireless
406-960DillonLandline
406-961CorvallisLandline
406-962JolietLandline
406-963FroidLandline
406-964VaughnLandline
406-965VaughnLandline
406-966ShelbyLandline
406-967WordenLandline
406-968LewistownLandline
406-970BillingsLandline
406-972CapitolLandline
406-980TownsendWireless
406-982RollinsLandline
406-984BirneyLandline
406-988DillonLandline
406-989GlendiveWireless
406-990BusbyWireless
406-991MarionLandline
406-992HelenaLandline
406-993EnnisLandline
406-994BozemanLandline
406-995EnnisLandline
406-996HelenaLandline
406-997BillingsWireless
406-998BillingsLandline
406-999Gallatin GatewayLandline