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: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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   624H ONVOY SPECTRUM, LLC 650   2025-02-17   
406-518 7 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-11-24   
406-518 8 Gallatin Gateway MT BLNGMT933MD  073H TELNYX LLC 650   2019-10-04   
406-518 9 Gallatin Gateway MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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