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: 708

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-708 A Lewistown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-708 2 Lewistown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-708 3 Lewistown MT HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648      
406-708 4 Lewistown MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-708 5 Lewistown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-708 6 Lewistown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-708 7 Lewistown MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-708 8 Lewistown MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      

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

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