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Phone Directory 406-660 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 660-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-660 Dillon, MT New Cingular Wireless PCS Beaverhead Cell Number 09/11/1994

Other Series For Prefixes

406-6600###
406-6601###
406-6602###
406-6603###
406-6604###
406-6605###
406-6606###
406-6607###
406-6608###
406-6609###