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Phone Directory 406-867 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-867 Billings, MT One Eighty Communications Yellowstone Landline 08/14/1998

Other Series For Prefixes

406-8670###
406-8671###
406-8672###
406-8673###
406-8674###
406-8675###
406-8676###
406-8677###
406-8678###
406-8679###