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: 934

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-934 A Miles City MT   743G WIDE VOICE, LLC - MT 650      
406-934 0 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-934 1 Miles City MT   743G WIDE VOICE, LLC - MT 650   2025-07-22   
406-934 8 Miles City MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2025-01-16   
406-934 9 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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