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Phone Directory 406-878 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 878-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-878 Great Falls, MT 365 Wireless Cascade Cell Number 03/01/2013

Other Series For Prefixes

406-8780###
406-8781###
406-8782###
406-8783###
406-8784###
406-8785###
406-8786###
406-8787###
406-8788###
406-8789###