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
406-410 8 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-08-24   
406-410 9 Helena MT   939H COMMIO, LLC 648   2023-08-17   
406-412 A Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-412 0 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 1 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 2 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 3 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 4 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 5 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 6 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 7 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 8 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-412 9 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2017-06-21   
406-413 A Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-413 0 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-04-09   
406-413 1 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-04-09   
406-413 2 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650   2015-06-11   
406-413 3 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650   2015-06-11   
406-413 4 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650   2015-06-11   
406-413 5 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2016-11-18   
406-413 6 Billings MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2017-08-21   
406-413 7 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-08-13   
406-413 8 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-04-09   
406-413 9 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2017-04-06   
406-414 A Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650      
406-414 0 Bozeman MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2015-12-10   
406-414 1 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2012-01-06   
406-414 2 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2012-01-06   
406-414 3 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2012-01-06   
406-414 4 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2012-01-06   
406-414 5 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2012-01-06   
406-414 6 Bozeman MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-03-31   
406-414 7 Bozeman MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-03-31   
406-414 8 Bozeman MT BZMNMTMADS0  9636 QWEST CORPORATION 650   2013-02-10   
406-414 9 Bozeman MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2016-08-19   
406-415 A Deer Lodge MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-415 0 Deer Lodge MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-05   
406-415 1 Deer Lodge MT   792K CHARTER IP ENABLED SERVICES, LLC 648   2010-06-07   
406-415 2 Deer Lodge MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2011-01-16   
406-415 3 Deer Lodge MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-415 4 Deer Lodge MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2015-03-15   
406-415 5 Deer Lodge MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2017-11-17   
406-415 6 Deer Lodge MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-415 7 Deer Lodge MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-21   
406-415 8 Deer Lodge MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-415 9 Deer Lodge MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-07   
406-416 A Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-416 0 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-416 1 Forsyth MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2021-12-23   
406-416 2 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-416 3 Forsyth MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-06-01   
406-416 4 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-08-08   
406-416 5 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-08-08   
406-416 6 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-416 7 Forsyth MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-416 8 Forsyth MT BLNGMT934MD  939H COMMIO, LLC 650   2022-06-06   
406-416 9 Forsyth MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2022-12-13   
406-417 A Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-417 0 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2008-07-19   
406-417 1 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-09-05   
406-417 3 Helena MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2019-01-05   
406-417 5 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-11-20   
406-417 6 Helena MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2014-11-20   
406-417 7 Helena MT HLNAMTMAWMD  6529 T-MOBILE USA, INC. 648   2022-03-26   
406-417 8 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-03-06   
406-417 9 Helena MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2019-12-21   
406-418 A Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-418 0 Cooke City MT BLNGMT933MD  073H TELNYX LLC 650   2019-10-21   
406-418 1 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-418 2 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-418 3 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-418 4 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-20   
406-418 5 Cooke City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-02-12   
406-418 6 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-20   
406-418 7 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-418 8 Cooke City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-418 9 Cooke City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-03-21   
406-419 A Victor MT MSSLMTMAHMD  7421 AT&T - LOCAL 648      
406-419 0 Victor MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-419 1 Victor MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2021-05-01   
406-419 2 Victor MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-08   
406-419 4 Victor MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-419 5 Victor MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-419 6 Victor MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-419 9 Victor MT MSSLMTMAHMD  7421 AT&T - LOCAL 648   2019-10-01   
406-420 A Bigfork MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-420 0 Bigfork MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2020-06-09   
406-420 1 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-01-13   
406-420 2 Bigfork MT   792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-420 3 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-10   
406-420 4 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-10   
406-420 5 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-10   
406-420 6 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-02-28   
406-420 7 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-04-14   
406-420 8 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2010-04-03   
406-420 9 Bigfork MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-421 A South Miles City MT MLCYMTXCRS1  2251 RANGE TEL COOP INC 650      
406-421 0 South Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-03-16   
406-421 2 South Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-12-29   
406-421 5 South Miles City MT MLCYMTXCRS1  2251 RANGE TEL COOP INC 650      

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Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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