Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Three Forks, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-285 A THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 0 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 1 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2009-02-13   
406-285 2 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-11-13   
406-285 3 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 4 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 5 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 6 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-285 8 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-06-27   
406-285 9 THFKMTMARS1  9636 QWEST CORPORATION 650      
406-616 A BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-616 0 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-616 1 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-616 2 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2014-03-31   
406-616 3 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-06-05   
406-616 4 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-616 5 BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2020-08-24   
406-616 6 BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-616 7 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-08-22   
406-616 8 BLNGMT933MD  073H TELNYX LLC 650   2018-07-25   
406-616 9 BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-02-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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