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: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-709 A Lakeside MT KLSLMTAZ1MD  792K CHARTER IP ENABLED SERVICES, LLC 648      
406-709 0 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-709 2 Lakeside MT KLSLMTAZ1MD  792K CHARTER IP ENABLED SERVICES, LLC 648      
406-709 3 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-709 4 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-709 5 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-14   
406-709 6 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-709 7 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-11-17   
406-709 8 Lakeside MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-05-14   
406-709 9 Lakeside MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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