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Lewistown, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-708 3 HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2016-09-27   
406-708 4 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2005-04-09   
406-708 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-02-11   
406-708 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2006-10-19   
406-708 7 HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-708 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-10-28   
406-968 A   321J HD CARRIER LLC 648      
406-968 0 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-968 4 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-968 6 MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2019-05-03   
406-968 7   321J HD CARRIER LLC 648   2025-07-15   
406-968 8   321J HD CARRIER LLC 648   2025-07-15   
406-968 9   321J HD CARRIER LLC 648   2025-07-15   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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