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Phone Directory 406-601 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 601-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-601 Billings, MT Blackfoot Communications Yellowstone Landline 11/08/2013

Other Series For Prefixes

406-6010###
406-6011###
406-6012###
406-6013###
406-6014###
406-6015###
406-6016###
406-6017###
406-6018###
406-6019###