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: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-606 A Billings MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650      
406-606 0 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-11-02   
406-606 1 Billings MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650   2013-01-28   
406-606 2 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2014-11-14   
406-606 3 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-606 4 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-07-08   
406-606 5 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-606 6 Billings MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-07-08   
406-606 7 Billings MT BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650   2022-11-12   
406-606 8 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-10-09   
406-606 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2018-10-09   

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

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