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Phone Directory 406-331 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 331-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-331 Roundup, MT Cellco Partnership DBA Verizon Wireless Musselshell Cell Number 10/11/1997

Other Series For Prefixes

406-3310###
406-3311###
406-3312###
406-3313###
406-3314###
406-3315###
406-3316###
406-3317###
406-3318###
406-3319###