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Phone Directory 406-742 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 742-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-742 Sidney, MT Mid-rivers Telephone Cooperative Richland Landline 08/14/1998

Other Series For Prefixes

406-7420###
406-7421###
406-7422###
406-7423###
406-7424###
406-7425###
406-7426###
406-7427###
406-7428###
406-7429###