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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-405 A Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960      
406-405 0 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960   2022-12-13   
406-405 1 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960   2023-07-28   
406-405 2 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960   2022-11-06   
406-405 3 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960   2022-11-06   
406-405 4 Libby MT CRALIDXXKMD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960   2023-05-14   
406-405 5 Libby MT CRALIDXXGMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 960   2023-12-29   
406-405 6 Libby MT   453F ONVOY, LLC - MT 960   2024-04-14   
406-405 8 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960   2023-08-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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