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Phone Directory 406-667 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-667 Broadview, MT Triangle Telephone Cooperative Assn. Yellowstone Landline 02/04/1994

Other Series For Prefixes

406-6670###
406-6671###
406-6672###
406-6673###
406-6674###
406-6675###
406-6676###
406-6677###
406-6678###
406-6679###