Active Prefixes in Area Code 406
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 406-231-#### | Great Falls | Wireless Numbers | New Cingular Wireles... |
| 406-232-#### | Miles City | Landline Numbers | Qwest Corporation... |
| 406-233-#### | Not available. | Landline Numbers | Qwest Corporation... |
| 406-234-#### | Miles City | Landline Numbers | Mid-rivers Telephone... |
| 406-235-#### | Wolf Creek | Landline Numbers | Qwest Corporation... |
| 406-236-#### | Neihart | Landline Numbers | 3 Rivers Telephone C... |
| 406-237-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-238-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-239-#### | Missoula | Wireless Numbers | New Cingular Wireles... |
| 406-240-#### | Missoula | Wireless Numbers | New Cingular Wireles... |
| 406-241-#### | Missoula | Wireless Numbers | New Cingular Wireles... |
| 406-242-#### | Thompson Falls | Wireless Numbers | New Cingular Wireles... |
| 406-243-#### | Missoula | Landline Numbers | Qwest Corporation... |
| 406-244-#### | Potomac | Landline Numbers | Blackfoot Telephone ... |
| 406-245-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-246-#### | Dixon | Landline Numbers | Blackfoot Telephone ... |
| 406-247-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-248-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-249-#### | Kalispell | Wireless Numbers | Cellco Partnership D... |
| 406-250-#### | Kalispell | Wireless Numbers | Cellco Partnership D... |
| 406-251-#### | Missoula | Landline Numbers | Qwest Corporation... |
| 406-252-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-253-#### | Kalispell | Wireless Numbers | New Cingular Wireles... |
| 406-254-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-255-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-256-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-257-#### | Kalispell | Landline Numbers | Centurytel Of Montan... |
| 406-258-#### | Missoula | Landline Numbers | Qwest Corporation... |
| 406-259-#### | Billings | Landline Numbers | Qwest Corporation... |
| 406-260-#### | Kalispell | Wireless Numbers | New Cingular Wireles... |
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 | |