Active Prefixes in Area Code 406
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 406-390-#### | South Havre | Wireless Numbers | Cellco Partnership D... |
| 406-391-#### | Not available. | Landline Numbers | Mtpcs, Llc... |
| 406-392-#### | Not available. | Landline Numbers | Nemont Telephone Coo... |
| 406-393-#### | Somers | Landline Numbers | Bresnan Broadband Of... |
| 406-394-#### | North Havre | Landline Numbers | Triangle Telephone C... |
| 406-395-#### | Not available. | Landline Numbers | Triangle Telephone C... |
| 406-396-#### | Missoula | Wireless Numbers | Cellco Partnership D... |
| 406-397-#### | Hingham | Landline Numbers | Triangle Telephone C... |
| 406-398-#### | North Havre | Landline Numbers | Triangle Telephone C... |
| 406-399-#### | South Havre | Wireless Numbers | Cellco Partnership D... |
| 406-403-#### | Great Falls | Landline Numbers | 360networks (usa) In... |
| 406-404-#### | Bozeman | Landline Numbers | Bresnan Broadband Of... |
| 406-407-#### | Kalispell | Wireless Numbers | Cellco Partnership D... |
| 406-410-#### | Helena | Wireless Numbers | Sprint Spectrum L.p.... |
| 406-414-#### | Bozeman | Landline Numbers | Qwest Corporation... |
| 406-415-#### | Deer Lodge | Landline Numbers | Bresnan Broadband Of... |
| 406-417-#### | Helena | Wireless Numbers | New Cingular Wireles... |
| 406-420-#### | Bigfork | Landline Numbers | Bresnan Broadband Of... |
| 406-421-#### | South Miles City | Landline Numbers | Range Telephone Coop... |
| 406-422-#### | Helena | Landline Numbers | Bresnan Broadband Of... |
| 406-423-#### | Hobson | Landline Numbers | Central Montana Comm... |
| 406-424-#### | Not available. | Landline Numbers | 3 Rivers Telephone C... |
| 406-425-#### | Red Lodge | Wireless Numbers | Cellco Partnership D... |
| 406-426-#### | Red Lodge | Wireless Numbers | Cellco Partnership D... |
| 406-427-#### | South Broadus | Landline Numbers | Range Telephone Coop... |
| 406-428-#### | Not available. | Landline Numbers | Mid-rivers Telephone... |
| 406-429-#### | Winnett | Landline Numbers | Mid-rivers Telephone... |
| 406-430-#### | Not available. | Landline Numbers | 360networks (usa) In... |
| 406-431-#### | Helena | Wireless Numbers | Cellco Partnership D... |
| 406-432-#### | Devon | Landline Numbers | Northern Telephone C... |
Area Code 406 Introduction
| Area Code: | 406 |
| Country: | United States |
| State/Province: | Montana - MT |
| Major City: | Billings |
| Time Zone: | Mountain |
| Average property | $181K |
| Average age | 56 y/o |
| Average assets | $36.9K |
| Population density | 147,040 sq mi (380,800 km2) |
| Population | 1,042,520 |
| latitude Longitude: | |
| 44° 21′ N to 49° N / 104° 2′ W to 116° 3′ W | |
| About 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 was put into service. The entire state of Montana is served by area code 406. |
|
| Major cities or places | |
| Bozeman, MT>Butte-silver Bow, MT>Great Falls, MT>Helena, MT>Missoula, MT | |