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Phone Directory 406-457 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-457 Helena, MT Qwest Corporation Lewis And Clark Landline 04/15/1996

Other Series For Prefixes

406-4570###
406-4571###
406-4572###
406-4573###
406-4574###
406-4575###
406-4576###
406-4577###
406-4578###
406-4579###