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Phone Directory 406-678 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-678 Saint Regis, MT Blackfoot Telephone Cooperative Mineral Landline 02/04/1994

Other Series For Prefixes

406-6780###
406-6781###
406-6782###
406-6783###
406-6784###
406-6785###
406-6786###
406-6787###
406-6788###
406-6789###