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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-944 A Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 0 Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 1 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-10-20   
406-944 2 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-944 3 Miles City MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650   2010-10-01   
406-944 4 Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-944 5 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-944 6 Miles City MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2019-04-12   
406-944 7 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-944 8 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2019-11-01   
406-944 9 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2020-03-01   

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

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