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Montana area codes

One area code, 406, on Mountain Time.

Calling Montana right now

Calling hours: Every day, 8 AM to 9 PM (the federal rule)

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Montana's area code: 406

406 covers Billings, Missoula, Helena and Great Falls. Its page has the local time now, every place it serves, and when you can call.

See 406's cities and calling hours

When can you call Montana numbers?

Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.

What applies in MontanaEvery day, 8 AM to 9 PM

Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources

Montana area code FAQ

How many area codes does Montana have?

One: 406.

What time zone is the Montana area code in?

Mountain Time (MST, UTC-7; MDT, UTC-6 in summer).

When can you call Montana numbers?

Every day, 8 AM to 9 PM, local time, under the federal rule.

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