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: 936

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-936 A Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-936 0 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-09-14   
406-936 1 Clyde Park MT BLNGMT933MD  073H TELNYX LLC 650   2018-07-25   
406-936 2 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-936 3 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-936 4 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-936 5 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-936 6 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-936 7 Clyde Park MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2024-03-15   
406-936 8 Clyde Park MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-936 9 Clyde Park MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-02-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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