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Phone Directory 406-287 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-287 Whitehall, MT Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

406-2870###
406-2871###
406-2872###
406-2873###
406-2874###
406-2875###
406-2876###
406-2877###
406-2878###
406-2879###