406 area code
Area code 406 is in Montana, including Billings, Missoula, Helena and Bozeman. It's on Mountain Time.
Mountain Time
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Is it a good time to call 406?
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 406
| City | Time zone |
|---|---|
| Billings, MT | Mountain Time |
| Missoula, MT | Mountain Time |
| Helena, MT | Mountain Time |
| Bozeman, MT | Mountain Time |
| Kalispell, MT | Mountain Time |
| Great Falls, MT | Mountain Time |
| Miles City, MT | Mountain Time |
| Butte, MT | Mountain Time |
| Conrad, MT | Mountain Time |
| Manhattan, MT | Mountain Time |
| Eureka, MT | Mountain Time |
| Hamilton, MT | Mountain Time |
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 406?
Area code 406 is in Montana, including Billings, Missoula, Helena and Bozeman.
What time zone is area code 406?
406 is on Mountain Time (UTC−7, UTC−6 in summer).
What time is it in area code 406 right now?
The live clock at the top of this page shows the current local time in area code 406.