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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-851 A Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-851 0 Miles City MT BLNGMT934MD  939H COMMIO, LLC 650   2022-07-29   
406-851 1 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-08-15   
406-851 2 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-851 3 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-851 4 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-03-07   
406-851 5 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2015-08-10   
406-851 6 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2021-07-05   
406-851 7 Miles City MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2016-08-12   
406-851 8 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2016-12-15   
406-851 9 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2018-03-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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