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Phone Directory 406-342 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-342 Hysham, MT Range Telephone Cooperative Treasure Landline 02/04/1994

Other Series For Prefixes

406-3420###
406-3421###
406-3422###
406-3423###
406-3424###
406-3425###
406-3426###
406-3427###
406-3428###
406-3429###