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Phone Directory 406-343 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 343-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-343 Wyola, MT Project Telephone Co. Big Horn Landline 02/04/1994

Other Series For Prefixes

406-3430###
406-3431###
406-3432###
406-3433###
406-3434###
406-3435###
406-3436###
406-3437###
406-3438###
406-3439###