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Great Falls, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-760 2 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2022-11-17   
406-760 4 GRFLMTMAGMD  6529 T-MOBILE USA, INC. 648   2024-07-25   
406-760 8 GRFLMTMAGMD  6529 T-MOBILE USA, INC. 648   2022-02-08   
406-761 A GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-770 A GRFLMTMAUMD  318J COMCAST IP PHONE, LLC 648      
406-770 0 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2016-11-18   
406-770 1 GRFLMTMAUMD  318J COMCAST IP PHONE, LLC 648   2023-06-12   
406-770 2 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-770 3 HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2008-06-09   
406-770 4 HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2016-08-16   
406-770 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-770 6 MSSLMTMAYMD  771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2013-03-18   
406-770 7 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2019-11-18   
406-770 8 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2022-09-11   
406-770 9 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2016-06-05   
406-771 A GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-781 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-788 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-791 A GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-799 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 0 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 1 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 2 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 3 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 4 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 5 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 6 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 7 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 8 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-799 9 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-836 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-836 0 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-03-29   
406-836 1 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-09-13   
406-836 2 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2012-10-15   
406-836 3 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-04-18   
406-836 4 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-08-20   
406-836 5 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-08-20   
406-836 6 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-04-28   
406-836 7 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2013-10-29   
406-836 8 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-04-28   
406-836 9 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2004-09-27   
406-866 A ULM MTMARS1  9636 QWEST CORPORATION 648      
406-866 0 HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-13   
406-866 1 GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2024-04-28   
406-866 2 ULM MTMARS1  9636 QWEST CORPORATION 648      
406-866 3 ULM MTMARS1  9636 QWEST CORPORATION 648      
406-866 6 GRFLMTMA69Z  490J BOOST SUBSCRIBERCO L.L.C. 648   2023-08-21   
406-866 8 GRFLMTMAGMD  6529 T-MOBILE USA, INC. 648   2023-10-23   
406-868 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-870 A   994E BANDWIDTH.COM CLEC, LLC - MT 648      

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

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