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Phone Directory 406-410 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-410 Helena, MT Sprint Spectrum L.p.- Mt Lewis And Clark Cell Number 06/13/2000

Other Series For Prefixes

406-4100###
406-4101###
406-4102###
406-4103###
406-4104###
406-4105###
406-4106###
406-4107###
406-4108###
406-4109###