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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-333 A Livingston MT PRAYMTMARS1  9636 QWEST CORPORATION 650      
406-333 0 Livingston MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2004-11-13   
406-333 1 Livingston MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2012-09-09   
406-333 2 Livingston MT BZMNMTEFPS0  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 650   2006-05-17   
406-333 3 Livingston MT   145J TERRA NOVA TELECOM INC. 650   2020-11-19   
406-333 4 Livingston MT PRAYMTMARS1  9636 QWEST CORPORATION 650      
406-333 5 Livingston MT BLNGMTWEBMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 650   2018-04-23   
406-333 6 Livingston MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2022-03-24   
406-333 7 Livingston MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2006-10-20   
406-333 8 Livingston MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2023-07-10   
406-333 9 Livingston MT PRAYMTMARS1  9636 QWEST CORPORATION 650      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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