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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-601 A Billings MT BLNGMTASHMD  7870 BLACKFOOT COMMUNICATIONS, INC. - MT 650      
406-601 0 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2021-06-21   
406-601 1 Billings MT BLNGMT93PS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 650   2016-11-24   
406-601 2 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2023-04-06   
406-601 3 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650   2017-07-27   
406-601 4 Billings MT BLNGMTASHMD  7870 BLACKFOOT COMMUNICATIONS, INC. - MT 650   2013-12-30   
406-601 5 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2017-11-30   
406-601 6 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2017-11-30   
406-601 7 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650   2017-11-30   
406-601 8 Billings MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2022-11-04   
406-601 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2021-07-26   

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

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