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: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-283 A Libby MT LBBYMTXCDS0  4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-283 0 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960      
406-283 1 Libby MT CRALIDABXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 960      
406-283 2 Libby MT LBBYMTXCDS0  4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-283 3 Libby MT CRALIDXXKMD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960      
406-283 4 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960      
406-283 5 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960      
406-283 6 Libby MT LBBYMTXCDS0  4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-283 7 Libby MT LBBYMTXCDS0  4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-283 8 Libby MT CRALIDXXX7X  453F ONVOY, LLC - MT 960      
406-283 9 Libby MT CRALIDXXXIX  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 960      

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

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