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Phone Directory 406-380 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 380-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-380 Lewistown, MT Cellco Partnership DBA Verizon Wireless Fergus Cell Number 10/11/1997

Other Series For Prefixes

406-3800###
406-3801###
406-3802###
406-3803###
406-3804###
406-3805###
406-3806###
406-3807###
406-3808###
406-3809###