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Phone Directory 406-640 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-640 West Yellowstone, MT Cellco Partnership DBA Verizon Wireless Gallatin Cell Number 04/01/1997

Other Series For Prefixes

406-6400###
406-6401###
406-6402###
406-6403###
406-6404###
406-6405###
406-6406###
406-6407###
406-6408###
406-6409###