Local Calling Guide

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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
406-987 5 Glendive MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-987 6 Glendive MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-11   
406-987 8 Glendive MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2025-01-16   
406-987 9 Glendive MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-988 A Dillon MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-988 0 Dillon MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-24   
406-988 4 Dillon MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2005-03-02   
406-988 6 Dillon MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-988 7 Dillon MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2006-10-19   
406-988 8 Dillon MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-989 A West Glendive MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-989 0 West Glendive MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-989 1 West Glendive MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-990 A Lame Deer MT BLNGMTASJMD  682H COMMNET WIRELESS SUBCO, LLC 650      
406-990 0 Lame Deer MT BLNGMTASJMD  682H COMMNET WIRELESS SUBCO, LLC 650   2020-07-03   
406-990 8 Lame Deer MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2021-08-27   
406-991 A Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-991 0 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-991 1 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-991 2 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-991 3 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-991 4 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-991 6 Marion MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648   2024-06-09   
406-991 7 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-12-06   
406-991 8 Marion MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-03-05   
406-992 A Helena MT HLNAMTMANMD  357E YMAX COMMUNICATIONS CORP. - MT 648      
406-993 A Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 0 Big Sky MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2024-07-24   
406-993 1 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 2 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 3 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 4 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 5 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 6 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 7 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-993 8 Big Sky MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2019-02-14   
406-993 9 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-994 A Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650      
406-995 A Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 0 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650   2023-12-16   
406-995 1 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 2 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 3 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 4 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 5 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 6 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 7 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 8 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-995 9 Big Sky MT BGSYMTXCDS0  2255 3 RIVERS TEL. COOP., INC. 650      
406-996 A Helena MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648      
406-996 1 Helena MT HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2011-03-10   
406-997 A Fromberg MT BLNGMTWEMMD  7421 AT&T - LOCAL 650   2024-03-09   
406-997 0 Fromberg MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2024-03-22   
406-997 7 Fromberg MT BLNGMT939MD  145J TERRA NOVA TELECOM INC. 650   2024-04-22   
406-997 9 Fromberg MT BLNGMTWEMMD  7421 AT&T - LOCAL 650   2024-03-09   
406-998 A Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 0 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2018-02-24   
406-998 1 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2015-10-17   
406-998 2 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2019-04-29   
406-998 3 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-08-24   
406-998 4 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-08-24   
406-998 5 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2020-03-27   
406-998 6 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2020-01-05   
406-998 7 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2019-09-06   
406-998 8 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2016-02-05   
406-998 9 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2015-12-04   
406-999 A Big Sky MT BZMNMTHZDS0  746D MONTANA OPTICOM, LLC - MT 650      

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

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