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Phone Directory 406-392 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-392 Frazer, MT Nemont Telephone Cooperative Valley Landline 02/04/1994

Other Series For Prefixes

406-3920###
406-3921###
406-3922###
406-3923###
406-3924###
406-3925###
406-3926###
406-3927###
406-3928###
406-3929###