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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-300 A Kalispell MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-300 0 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-300 1 Kalispell MT   792K CHARTER IP ENABLED SERVICES, LLC 648      
406-300 2 Kalispell MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-300 3 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-300 4 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-300 5 Kalispell MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-300 6 Kalispell MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648      
406-300 7 Kalispell MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-300 8 Kalispell MT MSSLMTMACMD  5562 METROPCS, INC. 648      
406-300 9 Kalispell MT MSSLMTMACMD  5562 METROPCS, INC. 648      

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

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