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: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-747 A Fairview MT FRVWMTMARS1  9636 QWEST CORPORATION 650      
406-747 0 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-747 1 Fairview MT FRVWMTMARS1  9636 QWEST CORPORATION 650      
406-747 2 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-01-05   
406-747 3 Fairview MT BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-747 4 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2019-10-28   
406-747 5 Fairview MT FRVWMTMARS1  9636 QWEST CORPORATION 650      
406-747 6 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2020-11-10   
406-747 7 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2013-09-14   
406-747 8 Fairview MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650   2007-03-19   
406-747 9 Fairview MT FRVWMTMARS1  9636 QWEST CORPORATION 650      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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