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Montana · Mountain Time

406 Area Code: Billings, MT

The 406 area code covers Billings, Missoula, Great Falls and Bozeman in Montana, on Mountain Time. Here is the current local time there, and whether you can legally place a solicitation call to a 406 number right now.

Current local time in the 406 area code

Current local time in the 406 area code

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Can you legally call a 406 number right now?

Checking…

DayLegal calling window in Montana
Sunday8:00 AM-9:00 PM
Monday8:00 AM-9:00 PM
Tuesday8:00 AM-9:00 PM
Wednesday8:00 AM-9:00 PM
Thursday8:00 AM-9:00 PM
Friday8:00 AM-9:00 PM
Saturday8:00 AM-9:00 PM

Windows shown are the stricter of the federal TCPA/TSR rule (8 a.m.-9 p.m. local) and Montana's own statute, in the called party's local time. Informational only, not legal advice. Check any number against the full TCPA calling hours calculator.

Area code 406 at a glance

StateMontana
Principal cityBillings
Time zoneMountain Time
Overlay codesNone
Weekday calling window8:00 AM-9:00 PM local
CountryUnited States

Cities in the 406 area code

These are the main population centers 406 serves. Smaller towns across the same Montana region share the code.

  • Billings
  • Missoula
  • Great Falls
  • Bozeman
  • Helena

Calling 406 numbers legally

Montana has no calling-hour statute stricter than federal law, so the TCPA and the FTC's Telemarketing Sales Rule set the window: solicitation calls only between 8 a.m. and 9 p.m. in the called party's local time. Because the rule follows the called party, a 406 number is on Mountain Time regardless of where you dial from.

Ringless voicemail sits under the same rules as a live call, which is why TCPA compliance matters before you drop to a list. To check a whole list rather than one code, the phone number formatter tags every number with its state so you can segment sends by time zone.

FAQ

406 area code questions

406 is a US telephone area code serving Montana, on Mountain Time. Its principal city is Billings, and it also covers Missoula, Great Falls and Bozeman.
Area code 406 is in the state of Montana. It serves Billings, Missoula, Great Falls and Bozeman, and its principal city is Billings.
The 406 area code is on Mountain Time (America/Denver). The panel above shows the current local time there, updated live.
It depends on the local time in Montana. Montana has no calling-hour rule stricter than federal law, so the TCPA and the FTC's Telemarketing Sales Rule govern: solicitation calls are permitted only between 8 a.m. and 9 p.m. in the called party's local time. The live verdict above checks the current time against that window for you.
On weekdays, solicitation calls to Montana numbers are permitted 8:00 AM to 9:00 PM local time. Sunday hours are 8:00 AM to 9:00 PM.
Not by itself. 406 is a legitimate Montana area code used by residents and businesses in Billings and Missoula. Scammers do spoof caller ID to show a local area code, because people answer local numbers more often, so treat an unexpected call asking for payment or personal details with suspicion regardless of the prefix.

Reaching Billings at scale?

VoiceDrop delivers ringless voicemails in your own AI-cloned voice and two-way SMS to Montana lists, with calling-hour and DNC rules enforced automatically so every drop lands inside the legal window.

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