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: 295

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-295 A Troy MT TROYMTXCDS1  4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-295 0 Troy MT   453F ONVOY, LLC - MT 960   2021-02-11   
406-295 1 Troy MT   453F ONVOY, LLC - MT 960   2020-09-06   
406-295 2 Troy MT   453F ONVOY, LLC - MT 960   2019-10-12   
406-295 3 Troy MT   453F ONVOY, LLC - MT 960   2020-06-05   
406-295 4 Troy MT   4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-295 5 Troy MT   4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-295 6 Troy MT   453F ONVOY, LLC - MT 960   2020-02-23   
406-295 7 Troy MT   4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      
406-295 8 Troy MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960   2017-04-01   
406-295 9 Troy MT   4322 ZIPLY FIBER MONTANA, LLC DBA ZIPLY FIBER 960      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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