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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-318 A Billings MT BLNGMTMARMD  357E YMAX COMMUNICATIONS CORP. - MT 650      
406-318 0 Billings MT BLNGMTMARMD  357E YMAX COMMUNICATIONS CORP. - MT 650      
406-318 1 Billings MT   145J TERRA NOVA TELECOM INC. 650      
406-318 2 Billings MT BLNGMTWE9MD  073H TELNYX LLC 650      
406-318 3 Billings MT BLNGMT939MD  145J TERRA NOVA TELECOM INC. 650      
406-318 4 Billings MT   6529 T-MOBILE USA, INC. 650      
406-318 5 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-318 6 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-318 7 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-318 8 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-318 9 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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