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Phone Directory 406-488 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 488-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-488 Sidney, MT Mid-rivers Telephone Cooperative Richland Landline 02/04/1994

Other Series For Prefixes

406-4880###
406-4881###
406-4882###
406-4883###
406-4884###
406-4885###
406-4886###
406-4887###
406-4888###
406-4889###