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
406-285 2 Three Forks MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-11-13   
406-285 3 Three Forks MT THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 4 Three Forks MT THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 5 Three Forks MT THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 6 Three Forks MT THFKMTMARS1  9636 QWEST CORPORATION 650      
406-285 7 Three Forks MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-285 8 Three Forks MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2011-06-27   
406-285 9 Three Forks MT THFKMTMARS1  9636 QWEST CORPORATION 650      
406-286 A Reserve MT RSRVMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-286 5 Reserve MT RSRVMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-286 7 Reserve MT GLSGMTXC1MD  443B SAGEBRUSH CELLULAR, INC. 650      
406-287 A Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-287 0 Whitehall MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2017-08-07   
406-287 1 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-08   
406-287 2 Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-287 3 Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-287 4 Whitehall MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-31   
406-287 5 Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-287 6 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-24   
406-287 7 Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-287 8 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-03-19   
406-287 9 Whitehall MT WHTHMTMARS1  9636 QWEST CORPORATION 648      
406-288 A Drummond MT ALTNMTXBRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-289 A Conrad MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-289 0 Conrad MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-289 1 Conrad MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-08-20   
406-289 3 Conrad MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2022-12-09   
406-289 4 Conrad MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-289 6 Conrad MT GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-11-14   
406-289 8 Conrad MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-289 9 Conrad MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-290 A Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-290 0 Columbus MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2007-12-17   
406-290 1 Columbus MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2008-01-28   
406-290 2 Columbus MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2008-02-04   
406-290 3 Columbus MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-31   
406-290 4 Columbus MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2010-11-05   
406-290 5 Columbus MT BLNGMT93PS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 650   2011-03-27   
406-290 6 Columbus MT BLNGMTWE9MD  073H TELNYX LLC 650   2020-09-27   
406-290 7 Columbus MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-05-06   
406-290 8 Columbus MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2018-06-07   
406-290 9 Columbus MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2008-11-26   
406-291 A Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 0 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 1 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 2 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 3 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 4 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 5 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      
406-291 6 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960      

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

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