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Area Code 406
Montana area code 406 has been in service since 1947. It has 462 landlines and 116 wireless prefixes (exchanges) serviced by 50 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 (3:07 pm)
Area Code (406) has 579 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (406) 178- | Missoula | Missoula | Unknown | |
| (406) 202- | Lewis And Clark | Helena | New Cingular Wireless Pcs, Llc | 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 | Missoula | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 208- | Yellowstone | Billings | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 209- | Gallatin | Bozeman | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 210- | Missoula | Seeley Lake | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 212- | Flathead | Kalispell | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 214- | Missoula | Missoula | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 216- | Cascade | Great Falls | 3 Rivers Telephone Cooperat... | Landline |
| (406) 217- | Hill | Havre | At&t Local | Landline |
| (406) 218- | Missoula | Missoula | Sprint Spectrum L.p.- Mt | Cell Phone |
| (406) 219- | Gallatin | Bozeman | At&t Local | Landline |
| (406) 220- | Park | Livingston | New Cingular Wireless Pcs, Llc | 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 Park | 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 | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 231- | Cascade | Great Falls | New Cingular Wireless Pcs, Llc | 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 | Wolf Creek | 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 | Missoula | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 240- | Missoula | Missoula | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 241- | Missoula | Missoula | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 242- | Sanders | Thompson Falls | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 243- | Missoula | 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 | Kalispell | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 251- | Missoula | Missoula | Qwest Corporation | Landline |
| (406) 252- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 253- | Flathead | Kalispell | New Cingular Wireless Pcs, Llc | 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 | Kalispell | Centurytel Of Montana, Inc.... | Landline |
| (406) 258- | Missoula | Missoula | Qwest Corporation | Landline |
| (406) 259- | Yellowstone | Billings | Qwest Corporation | Landline |
| (406) 260- | Flathead | Kalispell | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 261- | Flathead | Kalispell | New Cingular Wireless Pcs, Llc | 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- | Missoula | Alberton | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 270- | Flathead | Kalispell | 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 | Belt | 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 | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 281- | Yellowstone | Billings | At&t Local | Landline |
| (406) 282- | Gallatin | Manhattan | Qwest Corporation | Landline |
| (406) 283- | Lincoln | Libby | Citizens Telecom Co Of Mt-f... | Landline |
| (406) 284- | Gallatin | Manhattan | 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 | New Cingular Wireless Pcs, Llc | 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 | Kalispell | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 319- | Lake | Polson | Bresnan Broadband Of Montan... | Landline |
| (406) 320- | Musselshell | Roundup | Cellco Partnership Dba Veri... | Cell Phone |
| (406) 321- | Stillwater | Columbus | New Cingular Wireless Pcs, Llc | Cell Phone |
| (406) 322- | Stillwater | Columbus | Qwest Corporation | Landline |
| (406) 323- | Musselshell | Roundup | Mid-rivers Telephone Cooper... | Landline |
| (406) 324- | Lewis And Clark | Helena | Qwest Corporation | Landline |
