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Phone Directory 406-384 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-384 Billings, MT One Eighty Communications Yellowstone Landline 05/10/1999

Other Series For Prefixes

406-3840###
406-3841###
406-3842###
406-3843###
406-3844###
406-3845###
406-3846###
406-3847###
406-3848###
406-3849###