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Phone Directory 406-386 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-386 Big Sandy, MT Triangle Telephone Cooperative Assn. Chouteau Landline 02/04/1994

Other Series For Prefixes

406-3860###
406-3861###
406-3862###
406-3863###
406-3864###
406-3865###
406-3866###
406-3867###
406-3868###
406-3869###