Wyoming, United States

wyoming map

Basic Information About Wyoming

wyoming flag
Capital : CheyennePopulation of : 501,242
NDD: 1Current time: -05:00..-11:00
Wyoming area code: 307Coordinates: 43.4920°N, 107.0188°W
Exit code : 011Area: 253,326 km²
Country code of United States: 1Official GOV. web site: wyo.gov/

Wyoming Area Codes Pieces of Information

Wyoming is a state located in the Western United States. The state’s population is estimated at 586,107 as of 2019. Wyoming is the 10th most extensive, but the least populous and the 2nd least densely populated of the 50 United States. The state capital and largest city is Cheyenne.

Wyoming’s area code is 307. The area code covers the entire state of Wyoming. It was created in 1947 as one of the original 86 area codes. Prior to 1997, the 307 area code also covered parts of Montana and South Dakota. The code 307 is used for all incoming and outgoing calls within the state of Wyoming.

To call from Wyoming, you need to dial the area code 307. This is followed by the 7-digit phone number. If you are calling a cell phone, you may need to dial 1 before the area code. For example, to call a cell phone in Wyoming, you would dial 1-307-123-4567.

If you are making an interstate call, which is a call from one state to another, you will need to dial 1 before the area code. For example, if you are calling from Montana to Wyoming, you would dial 1-307-123-4567. If you are making an intrastate call, which is a call within the same state, you will not need to dial 1 before the area code. For example, if you are calling from Laramie to Cheyenne in Wyoming, you would dial 307-123-4567.

Area Code for the Largest Cities in Wyoming

CityArea CodeCityArea CodeCityArea Code
Cheyenne307Laramie307Rock Springs307
Casper307Gillette307Sheridan307

City/Area Code: Wyoming

CityCountyArea CodeCityCountyArea Code
AladdinCrook County307LaramieAlbany County307
AlbinLaramie County307LeiterSheridan County307
AlcovaNatrona County307LinchJohnson County307
AlpineLincoln County307LingleGoshen County307
AltaTeton County307Little AmericaSweetwater County307
AlvaCrook County307LonetreeUinta County307
ArapahoeFremont County307Lost SpringsConverse County307
ArmintoNatrona County307LovellBig Horn County307
ArvadaSheridan County307LuskNiobrara County307
BairoilSweetwater County307LymanUinta County307
BannerSheridan County307LysiteFremont County307
BasinBig Horn County307MandersonBig Horn County307
BedfordLincoln County307ManvilleNiobrara County307
BeulahCrook County307Mc KinnonSweetwater County307
Big HornSheridan County307Medicine BowCarbon County307
Big PineySublette County307MeeteetsePark County307
BondurantSublette County307MeridenLaramie County307
BoslerAlbany County307MidwestNatrona County307
BoulderSublette County307MillsNatrona County307
BuffaloJohnson County307MoorcroftCrook County307
BufordAlbany County307MooseTeton County307
BurlingtonBig Horn County307MoranTeton County307
BurnsLaramie County307Mountain ViewUinta County307
ByronBig Horn County307NatronaNatrona County307
CarpenterLaramie County307OpalLincoln County307
CasperNatrona County307OsageWeston County307
CentennialAlbany County307OttoBig Horn County307
CheyenneLaramie County307ParkmanSheridan County307
ChugwaterPlatte County307PavillionFremont County307
ClearmontSheridan County307Pine BluffsLaramie County307
CodyPark County307PinedaleSublette County307
CokevilleLincoln County307Point Of RocksSweetwater County307
CoraSublette County307Powder RiverNatrona County307
CowleyBig Horn County307PowellPark County307
CrowheartFremont County307RalstonPark County307
DanielSublette County307RanchesterSheridan County307
DaytonSheridan County307RawlinsCarbon County307
DeaverBig Horn County307RecluseCampbell County307
Devils TowerCrook County307RelianceSweetwater County307
DiamondvilleLincoln County307RivertonFremont County307
DouglasConverse County307RobertsonUinta County307
DuboisFremont County307Rock RiverAlbany County307
EdgertonNatrona County307Rock SpringsSweetwater County307
Elk MountainCarbon County307RozetCampbell County307
EmblemBig Horn County307SaddlestringJohnson County307
EncampmentCarbon County307Saint StephensFremont County307
EtnaLincoln County307SaratogaCarbon County307
EvanstonUinta County307SaveryCarbon County307
EvansvilleNatrona County307ShawneeConverse County307
FairviewLincoln County307ShellBig Horn County307
FarsonSweetwater County307SheridanSheridan County307
Fe Warren AfbLaramie County307Shirley BasinCarbon County307
Fort BridgerUinta County307ShoshoniFremont County307
Fort LaramieGoshen County307SinclairCarbon County307
Fort WashakieFremont County307SmootLincoln County307
Four CornersWeston County307StorySheridan County307
GarrettAlbany County307SundanceCrook County307
GilletteCampbell County307SuperiorSweetwater County307
GlendoPlatte County307Ten SleepWashakie County307
GlenrockConverse County307Teton VillageTeton County307
GrangerSweetwater County307ThayneLincoln County307
Granite CanonLaramie County307ThermopolisHot Springs County307
Green RiverSweetwater County307Tie SidingAlbany County307
GreybullBig Horn County307TorringtonGoshen County307
GroverLincoln County307UptonWeston County307
GuernseyPlatte County307Van TassellNiobrara County307
HannaCarbon County307VeteranGoshen County307
HartvillePlatte County307WalcottCarbon County307
Hawk SpringsGoshen County307WamsutterSweetwater County307
HilandFremont County307WapitiPark County307
HillsdaleLaramie County307WestonCampbell County307
Horse CreekLaramie County307WheatlandPlatte County307
HudsonFremont County307WilsonTeton County307
HulettCrook County307WolfSheridan County307
HuntleyGoshen County307WorlandWashakie County307
HyattvilleBig Horn County307WrightCampbell County307
JacksonTeton County307WyarnoSheridan County307
Jay EmGoshen County307Yellowstone National ParkPark County307
Jeffrey CityFremont County307YoderGoshen County307
KayceeJohnson County307JelmAlbany County307
KellyTeton County307AuburnLincoln County307
KemmererLincoln County307FreedomLincoln County307
KinnearFremont County307NewcastleWeston County307
KirbyHot Springs County307BaggsCarbon County307
La BargeLincoln County307DixonCarbon County307
LagrangeGoshen County307FrannieBig Horn County307
Lance CreekNiobrara County307AftonLincoln County307
LanderFremont County307FrontierLincoln County307