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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-476 A Dutton MT DTTNMTMARS1  9636 QWEST CORPORATION 648      
406-476 0 Dutton MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-09   
406-476 1 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-17   
406-476 2 Dutton MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2017-10-20   
406-476 3 Dutton MT DTTNMTMARS1  9636 QWEST CORPORATION 648      
406-476 4 Dutton MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-476 5 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-10-21   
406-476 6 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2020-11-08   
406-476 7 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-03-19   
406-476 8 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-476 9 Dutton MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   

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

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