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