Local Calling Guide

Area code/prefix search

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West Glacier, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-888 A WGLCMTMARS1  9636 QWEST CORPORATION 648      
406-888 0 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-03-07   
406-888 1 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-04-24   
406-888 2 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-09-15   
406-888 3 GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-888 4 HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-888 5 WGLCMTMARS1  9636 QWEST CORPORATION 648      
406-888 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-04-14   
406-888 7 WGLCMTMARS1  9636 QWEST CORPORATION 648      
406-888 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-07-17   
406-888 9 WGLCMTMARS1  9636 QWEST CORPORATION 648      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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