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Phone Directory 406-651 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-651 Billings, MT Qwest Corporation Yellowstone Landline 04/15/1996

Other Series For Prefixes

406-6510###
406-6511###
406-6512###
406-6513###
406-6514###
406-6515###
406-6516###
406-6517###
406-6518###
406-6519###