Local Calling Guide

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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 929

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-929 A Hungry Horse MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-929 1 Hungry Horse MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-929 2 Hungry Horse MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-929 3 Hungry Horse MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-929 4 Hungry Horse MT   453F ONVOY, LLC - MT 648   2021-04-21   
406-929 5 Hungry Horse MT   6529 T-MOBILE USA, INC. 648   2024-06-22   
406-929 6 Hungry Horse MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-09-18   
406-929 7 Hungry Horse MT   453F ONVOY, LLC - MT 648   2007-09-21   
406-929 8 Hungry Horse MT   453F ONVOY, LLC - MT 648   2011-04-06   
406-929 9 Hungry Horse MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-09-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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