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Phone Directory 406-205 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-205 Great Falls, MT Level 3 Communications Cascade Landline 06/30/2001

Other Series For Prefixes

406-2050###
406-2051###
406-2052###
406-2053###
406-2054###
406-2055###
406-2056###
406-2057###
406-2058###
406-2059###