The Montana area code is 406. The area code covers the entire state of Montana, including cities such as Billings, Missoula, Great Falls, Bozeman, and Helena. It was founded in 1947 as one of the original 86 area codes created by AT&T and the Bell System.
| Name | Montana |
|---|---|
| Area Code | 406 |
| ISO Code | US-MT |
| Country | United States (US) |
Counties in Montana
- Beaverhead County
- Big Horn County
- Blaine County
- Broadwater County
- Carbon County
- Carter County
- Cascade County
- Chouteau County
- Custer County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Cities an Towns in Montana
- Absarokee
- Acton
- Alberton
- Alder
- Anaconda
- Angela
- Antelope
- Arlee
- Ashland
- Augusta
- Avon
- Babb
- Bainville
- Baker
- Ballantine
- Basin
- Bearcreek
- Belgrade
- Belt
- Biddle
- Big Arm
- Big Sandy
- Big Sky
- Big Timber
- Bigfork
- Bighorn
- Billings
- Birney
- Black Eagle
- Bloomfield
- Bonner
- Boulder
- Box Elder
- Boyd
- Boyes
- Bozeman
- Brady
- Bridger
- Broadus
- Broadview
- Brockton
- Brockway
- Browning
- Brusett
- Buffalo
- Busby
- Butte
- Bynum
- Cameron
- Canyon Creek
- Capitol
- Cardwell
- Carter
- Cascade
- Charlo
- Chester
- Chinook
- Choteau
- Circle
- Clancy
- Clinton
- Clyde Park
- Coffee Creek
- Cohagen
- Colstrip
- Columbia Falls
- Columbus
- Condon
- Conner
- Conrad
- Cooke City
- Coram
- Corvallis
- Crane
- Crow Agency
- Culbertson
- Custer
- Cut Bank
- Dagmar
- Darby
- Dayton
- De Borgia
- Deer Lodge
- Dell
- Denton
- Dillon
- Divide
- Dixon
- Dodson
- Drummond
- Dupuyer
- Dutton
- East Glacier Park
- East Helena
- Edgar
- Ekalaka
- Elliston
- Elmo
- Emigrant
- Ennis
- Essex
- Ethridge
- Eureka
- Fairfield
- Fallon
- Fishtail
- Flaxville
- Florence
- Floweree
- Forest Grove
- Forsyth
- Fort Benton
- Fort Harrison
- Fort Peck
- Fort Shaw
- Fort Smith
- Fortine
- Frazer
- Frenchtown
- Froid
- Fromberg
- Galata
- Gallatin Gateway
- Gardiner
- Garrison
- Garryowen
- Geraldine
- Geyser
- Gildford
- Glasgow
- Glen
- Glendive
- Glentana
- Gold Creek
- Grantsdale
- Grass Range
- Great Falls
- Greycliff
- Hall
- Hamilton
- Hammond
- Hardin
- Harlem
- Harlowton
- Harrison
- Hathaway
- Haugan
- Havre
- Hays
- Heart Butte
- Helena
- Helmville
- Heron
- Highwood
- Hilger
- Hingham
- Hinsdale
- Hobson
- Hogeland
- Homestead
- Hot Springs
- Hungry Horse
- Huntley
- Huson
- Hysham
- Ingomar
- Inverness
- Ismay
- Jackson
- Jefferson City
- Joliet
- Joplin
- Jordan
- Judith Gap
- Kalispell
- Kevin
- Kila
- Kinsey
- Kremlin
- Lake Mc Donald
- Lakeside
- Lambert
- Lame Deer
- Larslan
- Laurel
- Lavina
- Ledger
- Lewistown
- Libby
- Lima
- Lincoln
- Lindsay
- Livingston
- Lloyd
- Lodge Grass
- Loma
- Lonepine
- Loring
- Lothair
- Malmstrom A F B
- Malta
- Manhattan
- Marion
- Martin City
- Martinsdale
- Marysville
- Mc Allister
- Mc Leod
- Medicine Lake
- Melrose
- Melstone
- Melville
- Mildred
- Miles City
- Milltown
- Missoula
- Moccasin
- Molt
- Monarch
- Moore
- Mosby
- Musselshell
- Nashua
- Neihart
- Norris
- Noxon
- Nye
- Oilmont
- Olive
- Olney
- Opheim
- Otter
- Outlook
- Ovando
- Pablo
- Paradise
- Park City
- Peerless
- Pendroy
- Philipsburg
- Pinesdale
- Plains
- Plentywood
- Plevna
- Polaris
- Polebridge
- Polson
- Pompeys Pillar
- Pony
- Poplar
- Powderville
- Power
- Pray
- Proctor
- Pryor
- Radersburg
- Ramsay
- Rapelje
- Ravalli
- Raymond
- Raynesford
- Red Lodge
- Redstone
- Reed Point
- Reserve
- Rexford
- Richey
- Richland
- Ringling
- Roberts
- Rollins
- Ronan
- Roscoe
- Rosebud
- Roundup
- Roy
- Rudyard
- Ryegate
- Saco
- Saint Ignatius
- Saint Marie
- Saint Regis
- Saint Xavier
- Saltese
- Sand Coulee
- Sand Springs
- Sanders
- Savage
- Scobey
- Seeley Lake
- Shawmut
- Shelby
- Shepherd
- Sheridan
- Silver Gate
- Silver Star
- Simms
- Somers
- Springdale
- Stanford
- Stevensville
- Stockett
- Stryker
- Sula
- Sumatra
- Sun River
- Sunburst
- Superior
- Sweet Grass
- Teigen
- Terry
- Thompson Falls
- Three Forks
- Toston
- Townsend
- Trego
- Trout Creek
- Troy
- Turner
- Twin Bridges
- Two Dot
- Ulm
- Valier
- Vandalia
- Vaughn
- Victor
- Vida
- Virginia City
- Volborg
- Warm Springs
- West Glacier
- West Yellowstone
- White Sulphur Springs
- Whitefish
- Whitehall
- Whitetail
- Whitewater
- Whitlash
- Wibaux
- Willard
- Willow Creek
- Wilsall
- Winifred
- Winnett
- Winston
- Wisdom
- Wise River
- Wolf Creek
- Wolf Point
- Worden
- Wyola
- Zortman
- Zurich