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      
406-601 1 Billings MT   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-601 2 Billings MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-601 3 Billings MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-601 4 Billings MT BLNGMTASHMD  7870 BLACKFOOT COMMUNICATIONS, INC. - MT 650      
406-601 5 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-601 6 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-601 7 Billings MT BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-601 8 Billings MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-601 9 Billings MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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