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
406-633 5 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-06-03   
406-633 7 Laurel MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650   2013-01-28   
406-633 8 Laurel MT BLNGMTMARMD  357E YMAX COMMUNICATIONS CORP. - MT 650   2011-04-04   
406-633 9 Laurel MT PRCYMTMARS1  9636 QWEST CORPORATION 650      
406-634 A Helena MT HLNAMTMAX0X  7421 AT&T - LOCAL 648      
406-634 3 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-09-06   
406-634 4 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-09-06   
406-634 5 Helena MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-08-21   
406-634 6 Helena MT GRFLMTMA69Z  490J DISH WIRELESS, LLC 648   2023-12-18   
406-634 9 Helena MT HLNAMTMAX0X  7421 AT&T - LOCAL 648      
406-635 A Terry (Mid-Rivers) MT TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 0 Terry (Mid-Rivers) MT BLNGMT933MD  073H TELNYX LLC 650   2018-07-25   
406-635 1 Terry (Mid-Rivers) MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2021-02-18   
406-635 2 Terry (Mid-Rivers) MT   145J TERRA NOVA TELECOM INC. 650   2021-11-04   
406-635 3 Terry (Mid-Rivers) MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-08   
406-635 4 Terry (Mid-Rivers) MT TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 5 Terry (Mid-Rivers) MT TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 6 Terry (Mid-Rivers) MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-635 7 Terry (Mid-Rivers) MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-635 8 Terry (Mid-Rivers) MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2018-03-02   
406-635 9 Terry (Mid-Rivers) MT TRRYMTAARS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-636 A Lavina MT LAVNMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-637 A Terry MT TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 3 Terry MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-02-10   
406-637 4 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-637 5 Terry MT TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 6 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-637 7 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2011-10-24   
406-637 8 Terry MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2019-05-11   
406-638 A Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 1 Hardin MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-09-05   
406-638 2 Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 3 Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 4 Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 5 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-638 6 Hardin MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2020-08-07   
406-638 7 Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-638 8 Hardin MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-638 9 Hardin MT CWAGMTXCDS0  2250 PROJECT TEL. CO., INC. 650      
406-639 A Lodge Grass MT LDGSMTXCRS1  2250 PROJECT TEL. CO., INC. 650      
406-640 A West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-640 0 West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-640 1 West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-640 2 West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-640 3 West Yellowstone MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2010-02-20   
406-640 4 West Yellowstone MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-01-10   
406-640 5 West Yellowstone MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-02-12   
406-640 6 West Yellowstone MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-08   
406-640 7 West Yellowstone MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2022-06-18   
406-640 8 West Yellowstone MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2014-03-31   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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