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Great Falls, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-205 A MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 0   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 1   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 2   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 3   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 4   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 5   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 6   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 7   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 8   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-205 9   073H TELNYX LLC 648   2020-08-13   
406-216 A GRFLMTMAHG1  3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 0   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648   2023-02-24   
406-216 1   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 2   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 3   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 4   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 5   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 6   073H TELNYX LLC 648   2023-05-13   
406-216 7   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-01-19   
406-216 8   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-216 9   3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-217 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-217 0   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2024-12-20   
406-217 1   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-07-09   
406-217 2   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-07-30   
406-217 3   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-09-24   
406-217 4   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-10-15   
406-217 5   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-03-17   
406-217 6   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-08-18   
406-217 7   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-09-22   
406-217 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-11-07   
406-217 9   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2025-03-02   
406-231 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 0   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 1   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 2   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 3   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 4   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 5   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 6   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 7   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2026-01-21   
406-231 8   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-231 9   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-268 A GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-268 0   9636 QWEST CORPORATION 648      
406-268 1   9636 QWEST CORPORATION 648      
406-268 2   9636 QWEST CORPORATION 648      
406-268 3   9636 QWEST CORPORATION 648      
406-268 5   520K TDS METROCOM, LLC 648   2025-11-17   
406-268 6   9636 QWEST CORPORATION 648      
406-268 7   9636 QWEST CORPORATION 648      
406-268 8   9636 QWEST CORPORATION 648      
406-268 9   9636 QWEST CORPORATION 648      
406-315 A   443B SAGEBRUSH CELLULAR, INC. 648      
406-315 0   073H TELNYX LLC 648   2021-03-04   
406-315 1   792K CHARTER IP ENABLED SERVICES, LLC 648   2011-03-10   
406-315 2   792K CHARTER IP ENABLED SERVICES, LLC 648   2011-11-17   
406-315 3   792K CHARTER IP ENABLED SERVICES, LLC 648   2012-05-06   
406-315 4   453F ONVOY, LLC - MT 648   2012-12-13   
406-315 5   453F ONVOY, LLC - MT 648   2012-12-13   
406-315 6   453F ONVOY, LLC - MT 648   2012-12-13   
406-315 7   453F ONVOY, LLC - MT 648   2012-12-13   
406-315 8   792K CHARTER IP ENABLED SERVICES, LLC 648   2014-04-30   
406-315 9   443B SAGEBRUSH CELLULAR, INC. 648   2017-11-05   
406-401 A GRFLMTMAX0X  425J CSC WIRELESS, LLC 648      
406-401 0   453F ONVOY, LLC - MT 648   2021-02-04   
406-401 1   453F ONVOY, LLC - MT 648   2021-02-04   
406-401 2   425J CSC WIRELESS, LLC 648   2019-07-20   
406-401 3   453F ONVOY, LLC - MT 648   2021-02-04   
406-401 4   453F ONVOY, LLC - MT 648   2021-02-04   
406-401 5   6529 T-MOBILE USA, INC. 648   2020-12-23   
406-401 6   453F ONVOY, LLC - MT 648   2021-07-05   
406-401 7   453F ONVOY, LLC - MT 648   2021-07-05   
406-401 8   453F ONVOY, LLC - MT 648   2021-07-05   
406-401 9   453F ONVOY, LLC - MT 648   2021-07-05   
406-402 A GRFLMTMAGMD  6529 T-MOBILE USA, INC. 648      
406-402 0   6529 T-MOBILE USA, INC. 648   2022-04-02   
406-402 1   6529 T-MOBILE USA, INC. 648   2025-08-29   
406-402 2   6529 T-MOBILE USA, INC. 648   2021-07-07   
406-402 3   5562 METROPCS, INC. 648   2018-06-24   
406-402 4   6529 T-MOBILE USA, INC. 648   2022-09-29   
406-402 5   6529 T-MOBILE USA, INC. 648   2021-04-15   
406-402 6   6529 T-MOBILE USA, INC. 648   2020-02-06   
406-402 7   6529 T-MOBILE USA, INC. 648   2019-04-12   
406-402 8   6529 T-MOBILE USA, INC. 648   2018-10-08   
406-402 9   6529 T-MOBILE USA, INC. 648   2017-11-15   
406-403 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-403 0   453F ONVOY, LLC - MT 648   2006-05-08   
406-403 1   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-04-09   
406-403 2   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-07-06   
406-403 3   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-09-14   
406-403 4   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-22   
406-403 5   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-10-22   
406-403 6   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-11-23   
406-403 7   453F ONVOY, LLC - MT 648   2009-03-22   
406-403 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-11-23   
406-403 9   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-04-05   
406-452 A GRFLMTMADS0  9636 QWEST CORPORATION 648      
406-453 A GRFLMTMADS0  9636 QWEST CORPORATION 648      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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