Local Calling Guide

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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-404 A Bozeman MT BZMNMTEF2MD  792K CHARTER IP ENABLED SERVICES, LLC 650      
406-404 0 Bozeman MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-10-04   
406-404 1 Bozeman MT   792K CHARTER IP ENABLED SERVICES, LLC 650   2012-06-01   
406-404 2 Bozeman MT   453F ONVOY, LLC - MT 650   2012-12-17   
406-404 3 Bozeman MT   453F ONVOY, LLC - MT 650   2012-12-17   
406-404 4 Bozeman MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2013-05-10   
406-404 5 Bozeman MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-08-05   
406-404 6 Bozeman MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-14   
406-404 7 Bozeman MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-14   
406-404 8 Bozeman MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-05-14   
406-404 9 Bozeman MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-10-22   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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