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: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-534 A Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 0 Billings MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-534 1 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 2 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 3 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 4 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 5 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-534 6 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 7 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-534 8 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-534 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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