What area code is 406 in Montana?

Montana regions with area code 406

Currently the area code 406 in the state of Montana is used by 363 locations:

Absarokee
Alberton
Alder
Alzada
Amsterdam
Anaconda-Deer Lodge County
Antelope
Arlee
Ashland
Augusta
Avon
Azure
Babb
Bainville
Baker
Ballantine
Basin
Batavia
Bear Dance
Bearcreek
Beaver Creek
Belfry
Belgrade
Belknap
Belt
Biddle
Big Arm
Big Sandy
Big Sky
Big Timber
Bigfork
Billings
Birney
Black Eagle
Boneau
Bonner-West Riverside
Boulder
Box Elder
Boyd
Bozeman
Brady
Bridger
Broadus
Broadview
Brockton
Browning
Busby
Butte-Silver Bow
Bynum
Camas
Camp Three
Cardwell
Carlton
Carter
Cascade
Charlo
Charlos Heights
Chester
Chinook
Choteau
Churchill
Circle
Clancy
Clinton
Clyde Park
Colstrip
Columbia Falls
Columbus
Condon
Conner
Conrad
Cooke City
Coram
Corvallis
Corwin Springs
Craig
Crane
Crow Agency
Culbertson
Custer
Cut Bank
Darby
Dayton
De Borgia
Deer Lodge
Denton
Dillon
Dixon
Dodson
Drummond
Dupuyer
Dutton
East Glacier Park Village
East Helena
East Missoula
Edgar
Ekalaka
Elkhorn
Elliston
Elmo
Emigrant
Ennis
Eureka
Evaro
Evergreen
Fairfield
Fairview
Fallon
Finley Point
Flaxville
Florence
Forest Hill Village
Forsyth
Fort Belknap Agency
Fort Benton
Fort Peck
Fort Shaw
Fort Smith
Fortine
Four Corners
Fox Lake
Frazer
Frenchtown
Froid
Fromberg
Gallatin Gateway
Gallatin River Ranch
Gardiner
Garrison
Geraldine
Geyser
Gibson Flats
Gildford
Glasgow
Glendive
Grass Range
Great Falls
Greycliff
Hamilton
Happys Inn
Hardin
Harlem
Harlowton
Harrison
Havre North
Havre
Hays
Heart Butte
Hebgen Lake Estates
Helena Flats
Helena Valley Northeast
Helena Valley Northwest
Helena Valley Southeast
Helena Valley West Central
Helena West Side
Helena
Heron
Herron
Highwood
Hingham
Hinsdale
Hobson
Hot Springs
Hungry Horse
Huntley
Huson
Hysham
Indian Springs
Inverness
Ismay
Jardine
Jefferson City
Jette
Joliet
Joplin
Jordan
Judith Gap
Kalispell
Kerr
Kevin
Kicking Horse
Kila
King Arthur Park
Kings Point
Klein
Knife River
Kremlin
Lake Mary Ronan
Lakeside
Lame Deer
Laurel
Lavina
Lewistown Heights
Lewistown
Libby
Lima
Lincoln
Lindisfarne
Little Bitterroot Lake
Little Browning
Livingston
Lockwood
Lodge Grass
Lodge Pole
Logan
Lolo
Loma
Lonepine
Malmstrom AFB
Malta
Manhattan
Marion
Martin City
Martinsdale
Marysville
Maxville
Medicine Lake
Melstone
Midvale
Miles City
Missoula
Montana City
Moore
Muddy
Musselshell
Nashua
Neihart
Niarada
North Browning
Noxon
Old Agency
Olney
Opheim
Orchard Homes
Outlook
Ovando
Pablo
Paradise
Park City
Parker School
Philipsburg
Piltzville
Pinesdale
Pioneer Junction
Plains
Plentywood
Plevna
Polson
Ponderosa Pines
Pony
Poplar
Power
Pray
Pryor
Rader Creek
Radersburg
Ravalli
Red Lodge
Reed Point
Reserve
Rexford
Richey
Riverbend
Roberts
Rocky Boy West
Rocky Boy's Agency
Rocky Point
Rollins
Ronan
Roscoe
Rosebud
Roundup
Roy
Rudyard
Ryegate
Saco
Saddle Butte
Sand Coulee
Sangrey
Santa Rita
Scobey
Sedan
Seeley Lake
Shawmut
Shelby
Shepherd
Sheridan
Sidney
Silesia
Silver Gate
Simms
Somers
South Browning
South Glastonbury
South Hills
Spokane Creek
Springdale
Springhill
St. Ignatius
St. Marie
St. Pierre
St. Regis
St. Xavier
Stanford
Starr School
Stevensville
Stockett
Stryker
Sula
Sun Prairie
Sun River
Sunburst
Superior
Swan Lake
Sweet Grass
Sylvanite
Terry
The Silos
Thompson Falls
Three Forks
Toston
Townsend
Trego
Trout Creek
Troy
Turah
Turner
Turtle Lake
Twin Bridges
Ulm
Valier
Vaughn
Victor
Virginia City
Walkerville
Weeksville
West Glacier
West Glendive
West Havre
West Kootenai
West Yellowstone
Westby
Wheatland
White Haven
White Sulphur Springs
Whitefish
Whitehall
Whitewater
Wibaux
Willow Creek
Wilsall
Wineglass
Winifred
Winnett
Winston
Wisdom
Wolf Point
Woods Bay
Worden
Wye
Wyola
Yaak
Zortman

Is the 406 prefix always used in these locations?

These Montana locations always use this prefix, however, it may happen that some locations have multiple area codes.

As a general rule, smartphones automatically indicate the location when they receive a call. For example, if you receive a call with area code 406, the phone will indicate that it is a call coming from the state of Montana.

How do I call from abroad to a phone in a location with the 406 area code?

To call a phone to one of the locations listed above, you must dial the USA country code (+1), the dialing code 406, and the local phone number you wish to call:

+1 406 [Telephone number]

It should be remembered that making calls from abroad to a phone with a Montana area code will cost more than making calls within the same country. The final cost of the international call will be defined by the telephone company with which the call is made.

What area code is 406 in Montana?