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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-510 A Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-510 0 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 1 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 2 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 3 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 4 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 5 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 6 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 7 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 8 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   
406-510 9 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-04-21   

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

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