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Phone Directory 406-394 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 394-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-394 Havre, MT Triangle Telephone Cooperative Assn. Hill Landline 02/04/1994

Other Series For Prefixes

406-3940###
406-3941###
406-3942###
406-3943###
406-3944###
406-3945###
406-3946###
406-3947###
406-3948###
406-3949###