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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-233 A Miles City MT MLCYMTMADS0  9636 QWEST CORPORATION 650      
406-233 0 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-01-06   
406-233 1 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2006-10-20   
406-233 2 Miles City MT MLCYMTMADS0  9636 QWEST CORPORATION 650      
406-233 3 Miles City MT MLCYMTMADS0  9636 QWEST CORPORATION 650      
406-233 4 Miles City MT MLCYMTMADS0  9636 QWEST CORPORATION 650      
406-233 6 Miles City MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2005-02-21   
406-233 7 Miles City MT MLCYMTMADS0  9636 QWEST CORPORATION 650      
406-233 9 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2009-02-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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