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: 692

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-692 A Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-692 0 Yellow Bay MT   453F ONVOY, LLC - MT 648   2021-02-11   
406-692 1 Yellow Bay MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-692 2 Yellow Bay MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-692 3 Yellow Bay MT   453F ONVOY, LLC - MT 648   2012-12-15   
406-692 4 Yellow Bay MT   453F ONVOY, LLC - MT 648   2020-11-08   
406-692 5 Yellow Bay MT   453F ONVOY, LLC - MT 648   2021-02-11   
406-692 6 Yellow Bay MT   792K CHARTER IP ENABLED SERVICES, LLC 648   2014-06-27   
406-692 7 Yellow Bay MT   453F ONVOY, LLC - MT 648   2007-12-06   
406-692 8 Yellow Bay MT   453F ONVOY, LLC - MT 648   2011-03-05   
406-692 9 Yellow Bay MT   073H TELNYX LLC 648   2020-08-13   

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

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