Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-507 A Whitefish MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-507 0 Whitefish MT   453F ONVOY, LLC - MT 648   2024-04-14   
406-507 1 Whitefish MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-04-21   
406-508 A Frenchtown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-508 0 Frenchtown MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-508 1 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-24   
406-508 2 Frenchtown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2012-04-01   
406-508 3 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-508 4 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-508 5 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-508 6 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-508 7 Frenchtown MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-508 8 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-508 9 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
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   
406-512 A Boulder MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-512 0 Boulder MT GRFLMTMAHMD  073H TELNYX LLC 648   2023-07-16   
406-512 1 Boulder MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-04-25   
406-512 2 Boulder MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-04-26   
406-512 8 Boulder MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-08-20   
406-513 A Helena MT HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648      
406-513 1 Helena MT HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2008-05-30   
406-514 A Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-514 0 Culbertson MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2010-12-17   
406-515 A Superior MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-515 0 Superior MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-515 9 Superior MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-05-24   
406-516 A Laurel MT BLNGMT93EMD  490J DISH WIRELESS, LLC 650      
406-516 0 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-12-13   
406-516 1 Laurel MT   453F ONVOY, LLC - MT 650   2024-04-14   
406-516 9 Laurel MT BLNGMT93EMD  490J DISH WIRELESS, LLC 650   2023-06-29   
406-518 A Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-518 0 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-518 1 Gallatin Gateway MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-31   
406-518 2 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-02-11   
406-518 3 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-02-11   
406-518 4 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-518 5 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-518 6 Gallatin Gateway MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-11   
406-518 7 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-11-24   

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

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