Active Prefixes in Area Code 406
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 406-328-#### | Not available. | Landline Numbers | Project Telephone Co... |
| 406-329-#### | Missoula | Landline Numbers | Qwest Corporation... |
| 406-330-#### | Not available. | Landline Numbers | Bresnan Broadband Of... |
| 406-331-#### | Roundup | Wireless Numbers | Cellco Partnership D... |
| 406-332-#### | Not available. | Landline Numbers | Blackfoot Telephone ... |
| 406-333-#### | Livingston | Landline Numbers | Qwest Corporation... |
| 406-334-#### | Libby | Wireless Numbers | New Cingular Wireles... |
| 406-335-#### | Sweetgrass | Landline Numbers | Northern Telephone C... |
| 406-336-#### | North Cut Bank | Landline Numbers | Northern Telephone C... |
| 406-337-#### | Kevin-Oilmont | Landline Numbers | Northern Telephone C... |
| 406-338-#### | Browning | Landline Numbers | 3 Rivers Telephone C... |
| 406-339-#### | Ethridge | Landline Numbers | Northern Telephone C... |
| 406-340-#### | Not available. | Landline Numbers | Mtpcs, Llc... |
| 406-342-#### | Hysham | Landline Numbers | Range Telephone Coop... |
| 406-343-#### | Wyola | Landline Numbers | Project Telephone Co... |
| 406-345-#### | Glendive | Landline Numbers | Mid-rivers Telephone... |
| 406-346-#### | Forsyth | Landline Numbers | Range Telephone Coop... |
| 406-347-#### | Rosebud | Landline Numbers | Range Telephone Coop... |
| 406-348-#### | Huntley | Landline Numbers | Project Telephone Co... |
| 406-349-#### | Alta | Landline Numbers | Blackfoot Telephone ... |
| 406-350-#### | Lewistown | Wireless Numbers | New Cingular Wireles... |
| 406-351-#### | Forsyth | Wireless Numbers | Cellco Partnership D... |
| 406-352-#### | Box Elder | Landline Numbers | Triangle Telephone C... |
| 406-353-#### | Harlem | Landline Numbers | Central Montana Comm... |
| 406-354-#### | Rock Springs | Landline Numbers | Mid-rivers Telephone... |
| 406-355-#### | Rudyard | Landline Numbers | Triangle Telephone C... |
| 406-356-#### | Not available. | Landline Numbers | Qwest Corporation... |
| 406-357-#### | Chinook | Landline Numbers | Triangle Telephone C... |
| 406-358-#### | Melstone | Landline Numbers | Mid-rivers Telephone... |
| 406-359-#### | Not available. | Landline Numbers | Qwest Corporation... |
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 | |