Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-858 A Kalispell MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648      
406-858 0 Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-02-07   
406-858 1 Kalispell MT CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2016-04-22   
406-858 2 Kalispell MT KLSLMTXCDS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-858 3 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-858 4 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-858 5 Kalispell MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-08-13   
406-858 6 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-858 7 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-858 8 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-858 9 Kalispell MT GRFLMTMAHMD  073H TELNYX LLC 648   2022-11-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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