Area Code 406

The 406 Area Code (or Area Code 406) is located in the state of MT. Area Code 406 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 1.05 million unique phone numbers and 3.57 million individuals near the city of Billings

Area Code 406 History

Area code 406 was put into service. The entire state of Montana is served by area code 406.

Following cities also use area code 406:

Absarokee, Alberton, Alzada, Anaconda, Angela, Arlee, Ashland, Bainville, Baker, Belfry, Belgrade, Belt, Big Sandy, Big Timber, Bigfork, Bighorn, Billings, Birney, Bloomfield, Boulder, Box Elder, Bozeman, Brady, Bridger, Broadus, Broadview, Brockton, Browning, Busby, Butte, Canyon Creek, Capitol, Carter, Cascade, Charlo, Chester, Chinook, Choteau, Circle, Clancy, Clinton, Clyde Park, Columbia Falls, Columbus, Condon, Conner, Conrad, Cooke City, Corvallis, Crow Agency, Culbertson, Cut Bank, Dagmar, Darby, Decker, Deer Lodge, Denton, Dillon, Divide, Dixon, Dodson, Drummond, Dutton, East Helena, Ekalaka, Elmo, Emigrant, Ennis, Essex, Eureka, Fairfield, Fallon, Flaxville, Forsyth, Fort Benton, Fort Peck, Fort Shaw, Frazer, Frenchtown, Froid, Fromberg, Galata, Gallatin Gateway, Garrison, Geraldine, Geyser, Gildford, Glasgow, Glendive, Grass Range, Great Falls, Hamilton, Hardin, Harlem, Hathaway, Havre, Helena, Highwood, Hingham, Hinsdale, Hobson, Hot Springs, Huntley, Hysham, Jackson, Joliet, Joplin, Jordan, Judith Gap, Kalispell, Kremlin, Lakeside, Lambert, Larslan, Laurel, Lavina, Lewistown, Libby, Lima, Lincoln, Lindsay, Livingston, Lodge Grass, Lolo, Loma, Malta, Manhattan, Marion, Martinsdale, Medicine Lake, Melville, Miles City, Missoula, Molt, Moore, Musselshell, Nashua, Neihart, Norris, Noxon, Olive, Opheim, Outlook, Ovando, Park City, Peerless, Pendroy, Philipsburg, Plains, Plentywood, Plevna, Polaris, Polson, Poplar, Potomac, Power, Rapelje, Raynesford, Red Lodge, Reed Point, Richey, Roberts, Rollins, Ronan, Rosebud, Roundup, Roy, Rudyard, Ryegate, Saco, Saint Ignatius, Saint Mary, Saint Regis, Saint Xavier, Sand Coulee, Savage, Scobey, Seeley Lake, Shelby, Sheridan, Sidney, Somers, St Regis, Stanford, Stevensville, Sunburst, Superior, Sweet Grass, Terry, Thompson Falls, Three Forks, Townsend, Troy, Turner, Twin Bridges, Two Dot, Valier, Vaughn, Victor, Virginia City, West Yellowstone, Westby, White Sulphur Springs, Whitefish, Whitehall, Whitetail, Whitewater, Wibaux, Wilsall, Winifred, Winnett, Wisdom, Wise River, Wolf Creek, Wolf Point, Worden, Wyola, Zortman.

ZIP codes in Area Code 406: