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Phone Directory 406-554 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 554-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-554 Olive, MT Range Telephone Cooperative Powder River Landline 02/04/1994

Other Series For Prefixes

406-5540###
406-5541###
406-5542###
406-5543###
406-5544###
406-5545###
406-5546###
406-5547###
406-5548###
406-5549###