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Phone Directory 406-673 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-673 Zortman, MT Triangle Telephone Cooperative Assn. Phillips Landline 02/04/1994

Other Series For Prefixes

406-6730###
406-6731###
406-6732###
406-6733###
406-6734###
406-6735###
406-6736###
406-6737###
406-6738###
406-6739###