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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
406-794 8 Billings MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2007-12-28   
406-794 9 Billings MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2008-01-11   
406-795 A Wibaux MT WIBXMTMARS1  9636 QWEST CORPORATION 650      
406-795 0 Wibaux MT   073H TELNYX LLC 650   2018-07-25   
406-795 1 Wibaux MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2006-11-28   
406-795 2 Wibaux MT   9636 QWEST CORPORATION 650      
406-795 3 Wibaux MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-01-15   
406-795 4 Wibaux MT   508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-795 5 Wibaux MT   453F ONVOY, LLC - MT 650   2011-07-17   
406-795 6 Wibaux MT   453F ONVOY, LLC - MT 650   2020-11-10   
406-795 7 Wibaux MT   453F ONVOY, LLC - MT 650   2007-03-19   
406-795 8 Wibaux MT   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   453F ONVOY, LLC - MT 650   2021-03-07   
406-796 1 Wibaux MT   453F ONVOY, LLC - MT 650   2019-09-15   
406-796 2 Wibaux MT   7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-796 3 Wibaux MT   453F ONVOY, LLC - MT 650   2019-09-15   
406-796 4 Wibaux MT   453F ONVOY, LLC - MT 650   2021-07-08   
406-796 5 Wibaux MT   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   7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-797 A Anaconda MT OPRTMTMARS1  9636 QWEST CORPORATION 648      
406-797 0 Anaconda MT   453F ONVOY, LLC - MT 648   2021-07-05   
406-797 1 Anaconda MT   453F ONVOY, LLC - MT 648   2021-03-07   
406-797 2 Anaconda MT   453F ONVOY, LLC - MT 648   2021-03-07   
406-797 3 Anaconda MT   9636 QWEST CORPORATION 648      
406-797 4 Anaconda MT   453F ONVOY, LLC - MT 648   2020-11-08   
406-797 5 Anaconda MT   453F ONVOY, LLC - MT 648   2006-10-19   
406-797 6 Anaconda MT   453F ONVOY, LLC - MT 648   2019-10-28   
406-797 7 Anaconda MT   453F ONVOY, LLC - MT 648   2011-10-21   
406-797 8 Anaconda MT   9636 QWEST CORPORATION 648      
406-797 9 Anaconda MT   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   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 1 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 2 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 3 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 4 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 5 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 6 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 7 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 8 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 9 Great Falls MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-800 A Bridger MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-800 0 Bridger MT   453F ONVOY, LLC - MT 650   2014-01-10   
406-800 1 Bridger MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-03-21   
406-800 2 Bridger MT   453F ONVOY, LLC - MT 650   2021-03-07   
406-800 4 Bridger MT   453F ONVOY, LLC - MT 650   2020-11-10   
406-800 5 Bridger MT   453F ONVOY, LLC - MT 650   2020-11-10   
406-800 6 Bridger MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2021-06-12   
406-800 7 Bridger MT   508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-10   
406-800 8 Bridger MT   453F ONVOY, LLC - MT 650   2014-01-10   
406-800 9 Bridger MT   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   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2021-12-14   
406-802 1 Hamilton MT   073H TELNYX LLC 648   2020-08-13   
406-802 2 Hamilton MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2019-05-24   
406-802 3 Hamilton MT   453F ONVOY, LLC - MT 648   2020-02-23   
406-802 4 Hamilton MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2015-07-17   
406-802 5 Hamilton MT   453F ONVOY, LLC - MT 648   2019-10-28   
406-802 6 Hamilton MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2015-09-10   
406-802 7 Hamilton MT   508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-802 8 Hamilton MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2022-03-20   
406-802 9 Hamilton MT   453F ONVOY, LLC - MT 648   2021-03-07   
406-804 A Gardiner MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-804 0 Gardiner MT   073H TELNYX LLC 650   2019-10-21   
406-804 1 Gardiner MT   453F ONVOY, LLC - MT 650   2021-07-05   
406-804 2 Gardiner MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650   2023-09-21   
406-804 3 Gardiner MT   453F ONVOY, LLC - MT 650   2021-03-07   
406-804 4 Gardiner MT   453F ONVOY, LLC - MT 650   2019-10-20   
406-804 5 Gardiner MT   453F ONVOY, LLC - MT 650   2019-10-20   
406-804 6 Gardiner MT   453F ONVOY, LLC - MT 650   2020-01-05   
406-804 7 Gardiner MT   453F ONVOY, LLC - MT 650   2020-01-05   
406-804 8 Gardiner MT   453F ONVOY, LLC - MT 650   2021-03-07   
406-804 9 Gardiner MT   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   073H TELNYX LLC 648   2021-06-25   
406-807 1 East Glacier Park MT   624H ONVOY SPECTRUM, LLC 648   2024-12-27   
406-807 7 East Glacier Park MT   453F ONVOY, LLC - MT 648   2021-08-28   
406-807 8 East Glacier Park MT   453F ONVOY, LLC - MT 648   2021-06-24   
406-808 A Havre MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-808 0 Havre MT   073H TELNYX LLC 648   2020-08-13   
406-808 3 Havre MT   771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2016-03-21   
406-808 4 Havre MT   624H ONVOY SPECTRUM, LLC 648   2024-12-27   
406-808 6 Havre MT   453F ONVOY, LLC - MT 648   2021-04-21   
406-808 7 Havre MT   508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-808 8 Havre MT   453F ONVOY, LLC - MT 648   2021-04-21   
406-808 9 Havre MT   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   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-02-06   
406-812 1 Laurel MT   792K CHARTER IP ENABLED SERVICES, LLC 650   2019-04-21   
406-812 2 Laurel MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-03-10   
406-812 3 Laurel MT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650   2012-02-01   
406-812 4 Laurel MT   453F ONVOY, LLC - MT 650   2019-09-15   
406-812 5 Laurel MT   453F ONVOY, LLC - MT 650   2019-10-28   
406-812 6 Laurel MT   321J HD CARRIER LLC 650   2020-09-27   
406-812 7 Laurel MT   453F ONVOY, LLC - MT 650   2011-11-28   
406-812 8 Laurel MT   453F ONVOY, LLC - MT 650   2020-01-05   
406-812 9 Laurel MT   321J HD CARRIER LLC 650   2020-11-01   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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