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Phone Directory 406-727 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-727 Great Falls, MT Qwest Corporation Cascade Landline 02/04/1994

Other Series For Prefixes

406-7270###
406-7271###
406-7272###
406-7273###
406-7274###
406-7275###
406-7276###
406-7277###
406-7278###
406-7279###