Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-924 A Belgrade MT BLNGMTWE2MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-12-20   
406-924 0 Belgrade MT   453F ONVOY, LLC MT 650   2011-04-29   
406-924 1 Belgrade MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2009-03-19   
406-924 2 Belgrade MT   008E BRESNAN BROADBAND OF MONTANA, LLC - MT (CHARTER) 650   2006-12-08   
406-924 3 Belgrade MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2010-02-20   
406-924 4 Belgrade MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-12-20   
406-924 5 Belgrade MT   9636 QWEST CORPORATION 650   2009-03-30   
406-924 6 Belgrade MT   008E BRESNAN BROADBAND OF MONTANA, LLC - MT (CHARTER) 650   2005-06-27   
406-924 7 Belgrade MT   453F ONVOY, LLC MT 650   2006-11-06   
406-924 8 Belgrade MT   746D MONTANA OPTICOM, LLC - MT 650   2010-08-16   
406-924 9 Belgrade MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2009-02-13   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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