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: 508

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-508 A Frenchtown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-508 0 Frenchtown MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-508 1 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 2 Frenchtown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-508 3 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 4 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 5 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 6 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 7 Frenchtown MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-508 8 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-508 9 Frenchtown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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