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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-703 A Columbus MT BLNGMTWE0MD  073H TELNYX LLC 650      
406-703 0 Columbus MT BLNGMTWE0MD  073H TELNYX LLC 650   2021-07-16   
406-703 1 Columbus MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2021-09-06   
406-703 2 Columbus MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2024-03-22   
406-703 3 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-08-28   
406-703 6 Columbus MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2025-02-05   
406-703 8 Columbus MT BLNGMT934MD  939H COMMIO, LLC 650   2021-11-14   
406-703 9 Columbus MT BLNGMT934MD  939H COMMIO, LLC 650   2021-11-14   

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

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