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Phone Directory 406-639 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 639-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-639 Lodge Grass, MT Project Telephone Co. Big Horn Landline 02/04/1994

Other Series For Prefixes

406-6390###
406-6391###
406-6392###
406-6393###
406-6394###
406-6395###
406-6396###
406-6397###
406-6398###
406-6399###