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: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-501 A Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 0 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 1 Whitehall MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-501 2 Whitehall MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-501 3 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 4 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 5 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 6 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 7 Whitehall MT MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648      
406-501 8 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-501 9 Whitehall MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      

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

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