Area Code 406
Information on the 406 Area Code
This area code is located in MT. Coverage includes the following cities:
Absarokee
Alberton
Alta
Alzada
Anaconda
Arlee
Ashland
Augusta
Avon
Bainville
Baker
Belfry
Belgrade
Belt
Big Sandy
Big Sky
Big Timber
Bigfork
Billings
Birney
Bloomfield
Boulder
Box Elder
Bozeman
Brady
Bridger
Broadus
Broadview
Brockton
Browning
Busby
Butte
Canyon Creek
Carlyle
Carter
Cascade
Charlo
Chester
Chinook
Choteau
Circle
Clinton
Clyde Park
Colstrip
Columbia Falls
Columbus
Community Support And Referral Services
Condon
Conrad
Cooke City
Crooked Creek
Culbertson
Custer
Cut Bank
Dagmar
Darby
Decker
Deer Lodge
Denton
Devon
Dillon
Directory Assistance
Divide
Dixon
Dodson
Drummond
Dupuyer
Dutton
East Conrad
East Glacier Park
Ekalaka
Elmo
Emergency Services
Ennis
Ethridge
Eureka
Eureka Rural
Fairfield
Fairview
Fallon
Fgb Access Code
Finley Point
Flaxville
Flaxville Rural
Forsyth
Fort Benton
Fort Peck
Fort Shaw
Fort Smith
Frazer
Frenchtown
Froid
Froid Rural
Fromberg
Gallatin Gateway
Gardiner
Geraldine
Geyser
Gildford
Glasgow
Glendive
Glentana
Grant
Grass Range
Great Falls
Hamilton
Hardin
Harlem
Harlowton
Harrison
Haugan
Havre
Hays
Helena
Highwood
Hingham
Hinsdale
Hobson
Hopp-illiad
Hot Springs
Hungry Horse
Huntley
Hysham
Information Provider
Intralata Pic Validation
Jackson
Joliet
Joplin
Jordan
Judith Gap
Kalispell
Kevin-oilmont
Kremlin
Lakeside
Lambert
Lame Deer
Larslan
Laurel
Lavina
Lewistown
Libby
Lima
Lincoln
Lindsay
Livingston
Lodge Grass
Loma
Malta
Manhattan
Marion
Martinsdale
Medicine Lake
Melrose
Melstone
Melville
Miles City
Missoula
Molt
Moore
Musselshell
Nashua
Neihart
Non Emergency Police And Other Governmental Services
North Broadus
North Cut Bank
North Frannie
North Glasgow
North Havre
North Hinsdale
North Nashua
North Parkman
North Poplar
North Ryegate
North Wolf Point
Noxon
Olney
One Call Services-pipeline And Utility Safety
Opheim
Outlook
Ovando
Pablo
Peerless
Pendroy
Philipsburg
Plains
Plentywood
Plevna
Polson
Pompeys Pillar
Poplar
Potomac
Power
Rapelje
Raynesford
Red Lodge
Reedpoint
Reserve
Richey
Ridge
Rock Springs
Ronan
Rosebud
Roundup
Roy
Rudyard
Ryegate
Saco
Saint Ignatius
Saint Mary
Saint Regis
Savage
Scobey
Scobey Rural
Seeley Lake
Shelby
Sheridan
Sidney
Silvertip
Somers
South Alberton
South Broadus
South Chester
South Havre
South Malta
South Miles City
South Wolf Point
Standard Plant Test Code
Stanford
Stevensville
Stockett
Sunburst
Superior
Swan Lake
Sweetgrass
Telco Repair Service
Telecommunications Relay Service
Terry
Thompson Falls
Three Forks
Townsend
Travel Information Services
Troy
Turner
Twin Bridges
Valier
Valley Industrial Park
Victor
Virginia City
Warm Springs
West Beach
West Camp Crook
West Glacier
West Glendive
West Sidney
West Squaw Gap
West Yellowstone
Westby
White Sulphur Springs
Whitefish
Whitehall
Whitewater
Wibaux
Wilsall
Winifred
Winnett
Wisdom
Wise River
Wolf Creek
Wolf Point
Worden
Wyola
Yellow Bay