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: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-831 A Billings MT BLNGMT933MD  073H TELNYX LLC 650      
406-831 0 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-11-17   
406-831 1 Billings MT BLNGMT933MD  073H TELNYX LLC 650   2017-02-11   
406-831 2 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2022-10-02   
406-831 3 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2022-10-02   
406-831 4 Billings MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2017-04-14   
406-831 5 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 6 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 7 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 8 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-12-03   
406-831 9 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-11-17   

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

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