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Phone Directory 406-545 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-545 Billings, MT Level 3 Communications Yellowstone Landline 06/19/2002

Other Series For Prefixes

406-5450###
406-5451###
406-5452###
406-5453###
406-5454###
406-5455###
406-5456###
406-5457###
406-5458###
406-5459###