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406 Area Code: Location, Time Zone & Phone Lookup

(406)
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What Does Area Code 406 Mean?

Area code 406 covers the entire state of Montana. It is the only area code that serves the area.

  • State: Montana
  • Major City: Billings
  • Timezone: Mountain
  • Current Time: 05/10 17:42 PM
Major Cities in 406 Area Code
Billings Montana map

Other Cities That Use 406 Area Code

406 Area Code Scam & Spam Report

Oct 2026
0spam reports this month
1.0%of (406) numbers have reports
Othermost reported scam type
1.0%(406)
—State
—United States

Counts describe reported call activity, not the people who hold these numbers.

12-MONTH TREND

MOST COMMON SCAMS REPORTED

Other41%
IRS / tax17%
Car warranty17%
Scam (other)9%

Sources: community reports across our network, FTC Do Not Call complaints (unverified consumer reports), carrier records. Updated automatically.

Area Codes Starting with 4

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Run a 406 Area Code Phone Lookup in Seconds

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406 area code is one of the most popular area codes in the United States. The 406 area code covers a large area of the western part of the country. This area code is used by a large number of people, and it is known for its high population density. The 406 area code is also known for its high number of cell phone users.

What time zone is area code 406 located in?This is a question that a lot of people have, and it can be a bit confusing to figure out. Area code 406 is located in the Pacific time zone, which is UTC-08:00.

Phone Number Prefixes In The 406 Area Code