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Phone Directory 406-447 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-447 Helena, MT Qwest Corporation Lewis And Clark Landline 02/04/1994

Other Series For Prefixes

406-4470###
406-4471###
406-4472###
406-4473###
406-4474###
406-4475###
406-4476###
406-4477###
406-4478###
406-4479###