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Phone Directory 406-859 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-859 Philipsburg, MT Blackfoot Telephone Cooperative Granite Landline 02/04/1994

Other Series For Prefixes

406-8590###
406-8591###
406-8592###
406-8593###
406-8594###
406-8595###
406-8596###
406-8597###
406-8598###
406-8599###