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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-303 A Missoula MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648      
406-303 0 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-303 1 Missoula MT HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-303 2 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-303 3 Missoula MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648      
406-303 4 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-303 5 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-303 6 Missoula MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648      
406-303 7 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-303 8 Missoula MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-303 9 Missoula MT MSSLMTMACMD  6529 T-MOBILE USA, INC. 648      

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

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