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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
406-795 4 Wibaux MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-795 5 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-07-17   
406-795 6 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-795 7 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-795 8 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-796 A Wibaux MT WIBXMTAARS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-796 0 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-796 1 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-796 2 Wibaux MT WIBXMTAARS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-796 3 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-796 4 Wibaux MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-08   
406-796 5 Wibaux MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2025-01-23   
406-796 7 Wibaux MT   145J TERRA NOVA TELECOM INC. 650   2023-04-27   
406-796 9 Wibaux MT WIBXMTAARS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-797 A Anaconda MT OPRTMTMARS1  9636 QWEST CORPORATION 648      
406-797 0 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-797 1 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-797 2 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-797 3 Anaconda MT OPRTMTMARS1  9636 QWEST CORPORATION 648      
406-797 4 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-797 5 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2006-10-19   
406-797 6 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-797 7 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-21   
406-797 8 Anaconda MT OPRTMTMARS1  9636 QWEST CORPORATION 648      
406-797 9 Anaconda MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-798 A West Sidney MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-799 A Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 0 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 1 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 2 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 3 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 4 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 5 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 6 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 7 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 8 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 9 Great Falls MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-800 A Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-800 0 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2014-01-10   
406-800 1 Bridger MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-03-21   
406-800 2 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-800 4 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-800 5 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-800 6 Bridger MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2021-06-12   
406-800 7 Bridger MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-10   
406-800 8 Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2014-01-10   
406-800 9 Bridger MT BLNGMT933MD  073H TELNYX LLC 650   2018-07-25   
406-802 A Hamilton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-802 0 Hamilton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2021-12-14   
406-802 1 Hamilton MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-802 2 Hamilton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2019-05-24   
406-802 3 Hamilton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-02-23   
406-802 4 Hamilton MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2015-07-17   
406-802 5 Hamilton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-802 6 Hamilton MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2015-09-10   
406-802 7 Hamilton MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-802 8 Hamilton MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2022-03-20   
406-802 9 Hamilton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-804 A Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-804 0 Gardiner MT BLNGMT933MD  073H TELNYX LLC 650   2019-10-21   
406-804 1 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-804 2 Gardiner MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2023-09-21   
406-804 3 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-804 4 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-20   
406-804 5 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-20   
406-804 6 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-804 7 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-804 8 Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-804 9 Gardiner MT BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650   2023-08-21   
406-807 A East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-807 0 East Glacier Park MT GRFLMTMAHMD  073H TELNYX LLC 648   2021-06-25   
406-807 1 East Glacier Park MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2024-12-27   
406-807 7 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-08-28   
406-807 8 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-06-24   
406-808 A Havre MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-808 0 Havre MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-808 3 Havre MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2016-03-21   
406-808 4 Havre MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2024-12-27   
406-808 6 Havre MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-04-21   
406-808 7 Havre MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-808 8 Havre MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-04-21   
406-808 9 Havre MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2022-08-12   
406-812 A Laurel MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-812 0 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-02-06   
406-812 1 Laurel MT BLNGMT93HMD  792K CHARTER IP ENABLED SERVICES, LLC 650   2019-04-21   
406-812 2 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-03-10   
406-812 3 Laurel MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650   2012-02-01   
406-812 4 Laurel MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-09-15   
406-812 5 Laurel MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-812 6 Laurel MT BLNGMT93BMD  321J HD CARRIER LLC 650   2020-09-27   
406-812 7 Laurel MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-11-28   
406-812 8 Laurel MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-812 9 Laurel MT BLNGMT93BMD  321J HD CARRIER LLC 650   2020-11-01   
406-813 A Belgrade MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-813 0 Belgrade MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-03-21   
406-813 1 Belgrade MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-09-09   
406-813 2 Belgrade MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2021-06-12   
406-813 3 Belgrade MT BLNGMTWEAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650   2011-11-01   
406-813 4 Belgrade MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-10   
406-813 5 Belgrade MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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