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: 909

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-909 A Columbia Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-909 0 Columbia Falls MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2018-07-08   
406-909 1 Columbia Falls MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-07   
406-909 2 Columbia Falls MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-909 3 Columbia Falls MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2019-01-28   
406-909 4 Columbia Falls MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-909 5 Columbia Falls MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-04-24   
406-909 6 Columbia Falls MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-01-03   
406-909 7 Columbia Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-07-18   
406-909 8 Columbia Falls MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-909 9 Columbia Falls MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-10-30   

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

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