Area Code 406

Area Code 406 information.

Area Code 406 Details
Country	United States
State/Province	Montana
Major City	Billings
Time Zone	Mountain (UTC-07:00)

Area Code 406 Prefixes

Prefix	County	Phone Type	Status
406-646	Gallatin	Landline	Active
406-647	Yellowstone	Landline	Active
406-648	Valley	Landline	Active
406-649	Mineral	Landline	Active
406-650	Roosevelt	Landline	Active
406-651	Yellowstone	Landline	Active
406-652	Yellowstone	Landline	Active
406-653	Roosevelt	Landline	Active
406-654	Phillips	Landline	Active
406-655	Yellowstone	Landline	Active
406-656	Yellowstone	Landline	Active
406-657	Yellowstone	Landline	Active
406-658	Phillips	Landline	Active
406-659	Big Horn	Landline	Active
406-660	Beaverhead	Cell Number	Active
406-661	Yellowstone	Cell Number	Active
406-662	Carbon	Landline	Active
406-663	Stillwater	Landline	Active
406-664	Carbon	Landline	Active
406-665	Big Horn	Landline	Active

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