Active Prefixes in Area Code 406
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 406-291-#### | Libby | Wireless Numbers | Cellco Partnership D... |
| 406-292-#### | Joplin | Landline Numbers | Triangle Telephone C... |
| 406-293-#### | Libby | Landline Numbers | Citizens Telecom Co ... |
| 406-294-#### | Billings | Landline Numbers | One Eighty Communica... |
| 406-295-#### | Not available. | Landline Numbers | Citizens Telecom Co ... |
| 406-296-#### | Eureka | Landline Numbers | Citizens Telecom Co ... |
| 406-297-#### | Eureka Rural | Landline Numbers | Interbel Telephone C... |
| 406-298-#### | Columbus | Wireless Numbers | Cellco Partnership D... |
| 406-299-#### | Butte | Landline Numbers | Level 3 Communicatio... |
| 406-301-#### | Malta | Wireless Numbers | Cellco Partnership D... |
| 406-302-#### | Wolf Creek | Landline Numbers | 360networks (usa) In... |
| 406-303-#### | Missoula | Landline Numbers | Tc Systems, Inc. - M... |
| 406-305-#### | White Sulphur Springs | Wireless Numbers | New Cingular Wireles... |
| 406-309-#### | Kalispell | Landline Numbers | Bresnan Broadband Of... |
| 406-310-#### | Butte | Wireless Numbers | Sprint Spectrum L.p.... |
| 406-312-#### | Bozeman | Landline Numbers | Smart Call, Llc... |
| 406-313-#### | Boulder | Landline Numbers | 360networks (usa) In... |
| 406-314-#### | Kalispell | Wireless Numbers | New Cingular Wireles... |
| 406-315-#### | Not available. | Landline Numbers | Bresnan Broadband Of... |
| 406-317-#### | Missoula | Landline Numbers | Bresnan Broadband Of... |
| 406-318-#### | Billings | Landline Numbers | Ymax Communications ... |
| 406-319-#### | Polson | Landline Numbers | Bresnan Broadband Of... |
| 406-320-#### | Roundup | Wireless Numbers | Cellco Partnership D... |
| 406-321-#### | Columbus | Wireless Numbers | New Cingular Wireles... |
| 406-322-#### | Columbus | Landline Numbers | Qwest Corporation... |
| 406-323-#### | Not available. | Landline Numbers | Mid-rivers Telephone... |
| 406-324-#### | Not available. | Landline Numbers | Qwest Corporation... |
| 406-325-#### | Billings | Landline Numbers | One Eighty Communica... |
| 406-326-#### | Reedpoint | Landline Numbers | Triangle Telephone C... |
| 406-327-#### | Missoula | 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 | |