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
406-422 3 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-12-28   
406-422 4 Helena MT HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2008-04-09   
406-422 5 Helena MT HLNAMTHHPS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 648   2005-05-06   
406-422 6 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-05-08   
406-422 7 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-05-29   
406-422 8 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-08-18   
406-422 9 Helena MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-10-10   
406-423 A Hobson MT FTBNMTXCDS0  3310 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-424 A Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 0 Shelby MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-424 1 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 2 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 4 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 5 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 7 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 8 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-424 9 Shelby MT SHLBMTALRL0  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-425 A Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 0 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 1 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 2 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 3 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 4 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-425 5 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2020-10-17   
406-425 6 Red Lodge MT BLNGMT939MD  145J TERRA NOVA TELECOM INC. 650   2023-02-17   
406-425 7 Red Lodge MT   624H ONVOY SPECTRUM, LLC 650   2024-03-22   
406-425 8 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-12-29   
406-425 9 Red Lodge MT   145J TERRA NOVA TELECOM INC. 650   2022-08-03   
406-426 A Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-426 0 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-426 1 Red Lodge MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2008-11-26   
406-426 2 Red Lodge MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-08-11   
406-426 3 Red Lodge MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-06-05   
406-426 4 Red Lodge MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2012-09-13   
406-426 5 Red Lodge MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2012-12-17   
406-426 7 Red Lodge MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-426 8 Red Lodge MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2011-04-21   
406-426 9 Red Lodge MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2016-08-21   
406-427 A South Broadus MT BRDSMTXBRS2  2251 RANGE TEL COOP INC 650      
406-428 A Grass Range MT GRRNMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-428 2 Grass Range MT GRRNMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-428 8 Grass Range MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-12-17   
406-429 A Winnett MT WNTTMTXCRS0  2246 MID-RIVERS TEL. COOP., INC. 650      
406-430 A Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-430 0 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-05-17   
406-430 1 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-430 2 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-430 3 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-430 4 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-430 5 Helena MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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