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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-938 3 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-938 4 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 7 Alzada MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2021-08-27   
406-938 8 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-938 9 Alzada MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 A West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 0 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 1 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 2 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 3 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 4 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 5 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-939 8 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-11-28   
406-939 9 West Glendive MT   145J TERRA NOVA TELECOM INC. 650   2026-01-04   
406-940 A Molt MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-940 0 Molt MT   145J TERRA NOVA TELECOM INC. 650   2025-08-29   
406-940 5 Molt MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2017-09-02   
406-940 6 Molt MT   145J TERRA NOVA TELECOM INC. 650   2026-04-30   
406-940 9 Molt MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2024-12-03   
406-941 A West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-941 0 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-941 1 West Glendive MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2010-11-06   
406-941 2 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-02-06   
406-941 3 West Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-07-08   
406-942 A Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-942 0 Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-12-07   
406-942 1 Glasgow MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2023-04-11   
406-942 2 Glasgow MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2013-04-30   
406-943 A Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 0 Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 1 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-943 2 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-943 3 Sidney MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650   2016-11-28   
406-943 4 Sidney MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-943 5 Sidney MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2015-02-25   
406-943 6 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-943 7 Sidney MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-943 8 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-943 9 Sidney MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
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   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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