Area Code 406
Montana area code 406 has been in service since 1947. It has 442 landlines and 135 wireless prefixes (exchanges) serviced by 45 carriers. It covers 57 counties, 660 ZIP codes, and 243 cities, including Billings, Missoula, Great Falls, Helena, Bozeman, Kalispell, Butte, Whitefish, and Belgrade.
- State:
- Montana
- Time Zone:
- Mountain (11:55 pm)
Area Code (406) has 577 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (406) 202- | Lewis And Clark | Helena | Western Wireless Corporatio... | Cell Phone |
| (406) 203- | Missoula | Missoula | Level 3 Communications, Llc... | Landline |
| (406) 204- | Lewis And Clark | Helena | Level 3 Communications, Llc... | Landline |
| (406) 205- | Cascade | Great Falls | Level 3 Communications, Llc... | Landline |
| (406) 206- | Yellowstone | Billings | Level 3 Communications, Llc... | Landline |
| (406) 207- | Missoula | East Missoula | Western Wireless Corporatio... | Cell Phone |
| (406) 208- | Yellowstone | Billings | Western Wireless Corporatio... | Cell Phone |
| (406) 209- | Gallatin | Bozeman | Western Wireless Corporatio... | Cell Phone |
| (406) 210- | Missoula | Seeley Lake | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 212- | Flathead | Creston | Western Wireless Corporatio... | Cell Phone |
| (406) 214- | Missoula | East Missoula | Commpartners, Llc - Mt | Landline |
| (406) 216- | Cascade | Great Falls | 3 Rivers Telephone Cooperat... | Landline |
| (406) 217- | Cascade | Great Falls | At&t Local | Landline |
| (406) 218- | Missoula | East Missoula | Sprint Spectrum L.p.- Mt | Cell Phone |
| (406) 219- | Gallatin | Bozeman | At&t Local | Landline |
| (406) 220- | Park | Livingston | Western Wireless Corporatio... | Cell Phone |
| (406) 222- | Park | Livingston | Qwest Corporation | Landline |
| (406) 223- | Park | Livingston | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 224- | Park | Livingston | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 225- | Jefferson | Boulder | Qwest Corporation | Landline |
| (406) 226- | Glacier | East Glacier | Qwest Corporation | Landline |
| (406) 227- | Lewis And Clark | East Helena | Qwest Corporation | Landline |
| (406) 228- | Valley | Glasgow | Nemont Telephone Cooperativ... | Landline |
| (406) 230- | Yellowstone | Billings | Western Wireless Corporatio... | Cell Phone |
| (406) 231- | Cascade | Great Falls | Western Wireless Corporatio... | Cell Phone |
| (406) 232- | Custer | Miles City | Qwest Corporation | Landline |
| (406) 233- | Custer | Miles City | Qwest Corporation | Landline |
| (406) 234- | Custer | Miles City | Mid-rivers Telephone Cooper... | Landline |
| (406) 235- | Lewis And Clark | Craig | Qwest Corporation | Landline |
| (406) 236- | Cascade | Monarch | 3 Rivers Telephone Cooperat... | Landline |
| (406) 237- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 238- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 239- | Missoula | East Missoula | Western Wireless Corporatio... | Cell Phone |
| (406) 240- | Missoula | East Missoula | Western Wireless Corporatio... | Cell Phone |
| (406) 241- | Missoula | East Missoula | Western Wireless Corporatio... | Cell Phone |
| (406) 242- | Sanders | Copper King | Western Wireless Corporatio... | Cell Phone |
| (406) 243- | Missoula | East Missoula | Qwest Corporation | Landline |
| (406) 244- | Missoula | Bonner | Blackfoot Telephone Coopera... | Landline |
| (406) 245- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 246- | Sanders | Dixon | Blackfoot Telephone Coopera... | Landline |
| (406) 247- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 248- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 249- | Flathead | Bigfork | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 250- | Flathead | Creston | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 251- | Missoula | Missoula | Qwest Corporation | Landline |
| (406) 252- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 253- | Flathead | Creston | Western Wireless Corporatio... | Cell Phone |
| (406) 254- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 255- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 256- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 257- | Flathead | Creston | Centurytel Of Montana, Inc. | Cell Phone |
| (406) 258- | Missoula | Missoula | Qwest Corporation | Landline |
| (406) 259- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 260- | Flathead | Creston | Western Wireless Corporatio... | Cell Phone |
| (406) 261- | Flathead | Creston | Western Wireless Corporatio... | Cell Phone |
| (406) 262- | Hill | Havre | Qwest Corporation | Landline |
| (406) 263- | Valley | Glasgow | Sagebrush Cellular, Inc. | Landline |
| (406) 264- | Cascade | Fort Shaw | 3 Rivers Telephone Cooperat... | Landline |
| (406) 265- | Hill | Havre | Qwest Corporation | Landline |
| (406) 266- | Broadwater | Townsend | Qwest Corporation | Landline |
| (406) 267- | Silver Bow | Divide | Southern Montana Telephone Co. | Landline |
| (406) 268- | Cascade | Great Falls | Qwest Corporation | Landline |
| (406) 269- | Mineral | Alberton | Contact Communications, Wy | Landline |
| (406) 270- | Flathead | Bigfork | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 271- | Pondera | Conrad | 3 Rivers Telephone Cooperat... | Landline |
| (406) 272- | Cascade | Great Falls | 360networks (usa) Inc. - Mt | Landline |
| (406) 273- | Missoula | Lolo | Qwest Corporation | Landline |
| (406) 275- | Lake | Pablo | Ronan Telephone Co. | Landline |
| (406) 276- | Beaverhead | Lima | 3 Rivers Telephone Cooperat... | Landline |
| (406) 277- | Cascade | Armington | 3 Rivers Telephone Cooperat... | Landline |
| (406) 278- | Pondera | Conrad | Qwest Corporation | Landline |
| (406) 279- | Pondera | Valier | 3 Rivers Telephone Cooperat... | Landline |
| (406) 280- | Mineral | Saint Regis | Western Wireless Corporatio... | Cell Phone |
| (406) 281- | Yellowstone | Billings | At&t Local | Landline |
| (406) 282- | Gallatin | Amsterdam | Qwest Corporation | Landline |
| (406) 283- | Lincoln | Libby | Citizens Telecom Co Of Mt-f... | Landline |
| (406) 284- | Gallatin | Amsterdam | Qwest Corporation | Landline |
| (406) 285- | Gallatin | Three Forks | Qwest Corporation | Landline |
| (406) 286- | Sheridan | Reserve | Nemont Telephone Cooperativ... | Landline |
| (406) 287- | Jefferson | Whitehall | Qwest Corporation | Landline |
| (406) 288- | Granite | Drummond | Blackfoot Telephone Coopera... | Landline |
| (406) 289- | Gallatin | Bozeman | Western Wireless Corporatio... | Cell Phone |
| (406) 290- | Stillwater | Columbus | 360networks (usa) Inc. - Mt | Landline |
| (406) 291- | Lincoln | Libby | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 292- | Liberty | Joplin | Triangle Telephone Cooperat... | Landline |
| (406) 293- | Lincoln | Libby | Citizens Telecom Co Of Mt-f... | Landline |
| (406) 294- | Yellowstone | Billings | One Eighty Communications, ... | Landline |
| (406) 295- | Lincoln | Troy | Citizens Telecom Co Of Mt-f... | Landline |
| (406) 296- | Lincoln | Eureka | Citizens Telecom Co Of Mt-f... | Landline |
| (406) 297- | Lincoln | Eureka | Interbel Telephone Cooperat... | Landline |
| (406) 299- | Silver Bow | Butte | Level 3 Communications, Llc... | Landline |
| (406) 310- | Silver Bow | Butte | Sprint Spectrum L.p.- Mt | Cell Phone |
| (406) 314- | Flathead | Creston | Western Wireless Corporatio... | Cell Phone |
| (406) 319- | Lake | Polson | Idt America Corp. - Mt | Landline |
| (406) 320- | Musselshell | Klein | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 321- | Stillwater | Columbus | Western Wireless Corporatio... | Cell Phone |
| (406) 322- | Stillwater | Columbus | Qwest Corporation | Landline |
| (406) 323- | Musselshell | Klein | Mid-rivers Telephone Cooper... | Landline |
| (406) 324- | Lewis And Clark | Helena | Qwest Corporation | Landline |
| (406) 325- | Yellowstone | Billings | One Eighty Communications, ... | Landline |
