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Phone Directory 406-543 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 543-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-543 Missoula, MT Qwest Corporation Missoula Landline 02/04/1994

Other Series For Prefixes

406-5430###
406-5431###
406-5432###
406-5433###
406-5434###
406-5435###
406-5436###
406-5437###
406-5438###
406-5439###