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Phone Directory 406-674 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 674-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-674 Whitewater, MT Triangle Telephone Cooperative Assn. Phillips Landline 02/04/1994

Other Series For Prefixes

406-6740###
406-6741###
406-6742###
406-6743###
406-6744###
406-6745###
406-6746###
406-6747###
406-6748###
406-6749###