Local Calling Guide

Area code/prefix search

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OCN: 357E YMAX COMMUNICATIONS CORP. - MT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-225 2 Boulder MT HLNAMTMANMD  648   2009-09-30   
406-225 5 Boulder MT HLNAMTMANMD  648   2009-02-17   
406-235 2 Wolf Creek MT HLNAMTMANMD  648   2011-02-03   
406-235 6 Wolf Creek MT HLNAMTMANMD  648   2009-09-30   
406-266 2 Townsend MT HLNAMTMANMD  648   2010-03-27   
406-266 8 Townsend MT HLNAMTMANMD  648   2008-11-06   
406-298 9 Columbus MT BLNGMTMARMD  650   2011-04-04   
406-318 A Billings MT BLNGMTMARMD  650      
406-318 0 Billings MT BLNGMTMARMD  650   2011-04-03   
406-318 1 Billings MT BLNGMTMARMD  650   2011-04-03   
406-334 5 Libby MT CRALIDXXXBX  960   2011-04-08   
406-629 9 Hardin MT BLNGMTMARMD  650   2011-04-04   
406-633 8 Laurel MT BLNGMTMARMD  650   2011-04-04   
406-962 8 Joliet MT BLNGMTMARMD  650   2011-04-04   
406-992 A Helena MT HLNAMTMANMD  648      
406-992 0 Helena MT HLNAMTMANMD  648   2008-10-10   
406-992 1 Helena MT HLNAMTMANMD  648   2008-10-10   
406-992 2 Helena MT HLNAMTMANMD  648   2008-10-10   
406-992 4 Helena MT HLNAMTMANMD  648   2010-10-18   

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

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