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Phone Directory 406-988 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-988 Dillon, MT Level 3 Communications Beaverhead Landline 01/07/2005

Other Series For Prefixes

406-9880###
406-9881###
406-9882###
406-9883###
406-9884###
406-9885###
406-9886###
406-9887###
406-9888###
406-9889###