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Phone Directory 406-422 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-422 Helena, MT Bresnan Broadband Of Montana Lewis And Clark Landline 06/25/2005

Other Series For Prefixes

406-4220###
406-4221###
406-4222###
406-4223###
406-4224###
406-4225###
406-4226###
406-4227###
406-4228###
406-4229###