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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: 21/08 06:40 AM
Major Cities in 406 Area Code
Billings Montana map

Other Cities That Use 406 Area Code

Area Codes Starting with 4

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Phone Number Prefixes In The 406 Area Code