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Phone Directory 406-433 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 433-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-433 Sidney, MT Mid-rivers Telephone Cooperative Richland Landline 05/10/1999

Other Series For Prefixes

406-4330###
406-4331###
406-4332###
406-4333###
406-4334###
406-4335###
406-4336###
406-4337###
406-4338###
406-4339###