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Helena, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-202 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 0   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 1   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 2   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 3   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 4   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 5   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 6   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 7   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-06-12   
406-202 8   6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-202 9   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-04-19   
406-204 A MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 0   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 1   453F ONVOY, LLC - MT 648   2012-12-13   
406-204 2   453F ONVOY, LLC - MT 648   2012-12-13   
406-204 3   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2011-11-25   
406-204 4   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-204 5   453F ONVOY, LLC - MT 648   2012-12-13   
406-204 6   073H TELNYX LLC 648   2024-03-11   
406-204 7   453F ONVOY, LLC - MT 648   2012-12-13   
406-204 8   5562 METROPCS, INC. 648   2017-08-31   
406-204 9   5562 METROPCS, INC. 648   2017-08-31   
406-227 A EHLNMTMARS1  9636 QWEST CORPORATION 648      
406-324 A HLNAMTMADS0  9636 QWEST CORPORATION 648      
406-324 0   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2024-06-22   
406-324 1   9636 QWEST CORPORATION 648      
406-324 2   9636 QWEST CORPORATION 648      
406-324 3   9636 QWEST CORPORATION 648      
406-324 4   9636 QWEST CORPORATION 648      
406-324 5   9636 QWEST CORPORATION 648      
406-324 6   9636 QWEST CORPORATION 648      
406-324 7   453F ONVOY, LLC - MT 648   2006-05-27   
406-324 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2025-02-12   
406-324 9   073H TELNYX LLC 648   2020-08-13   
406-389 A HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-389 0   453F ONVOY, LLC - MT 648   2019-01-22   
406-389 1   453F ONVOY, LLC - MT 648   2019-01-22   
406-389 2   508J CENTURYLINK COMMUNICATIONS, LLC 648   2019-10-10   
406-389 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648   2016-02-26   
406-389 4   453F ONVOY, LLC - MT 648   2021-07-05   
406-389 5   453F ONVOY, LLC - MT 648   2021-07-05   
406-389 6   453F ONVOY, LLC - MT 648   2021-07-05   
406-389 7   508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-01-03   
406-389 8   453F ONVOY, LLC - MT 648   2019-01-22   
406-389 9   453F ONVOY, LLC - MT 648   2021-07-05   
406-410 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-410 0   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-410 1   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-410 2   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2022-12-10   
406-410 3   6529 T-MOBILE USA, INC. 648   2021-06-04   
406-410 4   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-10-29   
406-410 5   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-12-07   
406-410 6   6529 T-MOBILE USA, INC. 648   2023-01-06   
406-410 7   6529 T-MOBILE USA, INC. 648   2023-01-06   
406-410 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2023-08-24   
406-410 9   939H COMMIO, LLC 648   2023-08-17   
406-417 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-417 0   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2008-07-19   
406-417 1   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2014-09-05   
406-417 2   624H ONVOY SPECTRUM, LLC 648   2025-01-02   
406-417 3   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2019-01-05   
406-417 4   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2024-11-30   
406-417 5   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-11-20   
406-417 6   771G TELEPORT COMMUNICATIONS AMERICA MT - LLC 648   2014-11-20   
406-417 7   6529 T-MOBILE USA, INC. 648   2022-03-26   
406-417 8   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-03-06   
406-417 9   6010 NEW CINGULAR WIRELESS PCS, LLC 648   2019-12-21   
406-422 A HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648      
406-422 0   792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-14   
406-422 1   792K CHARTER IP ENABLED SERVICES, LLC 648   2007-10-19   
406-422 2   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-12-18   
406-422 3   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-12-28   
406-422 4   792K CHARTER IP ENABLED SERVICES, LLC 648   2008-04-09   
406-422 5   792K CHARTER IP ENABLED SERVICES, LLC 648   2005-05-06   
406-422 6   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-05-08   
406-422 7   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-05-29   
406-422 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-08-18   
406-422 9   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-10-10   
406-430 A GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-430 0   453F ONVOY, LLC - MT 648   2019-05-17   
406-430 1   453F ONVOY, LLC - MT 648      
406-430 2   453F ONVOY, LLC - MT 648   2019-10-28   
406-430 3   453F ONVOY, LLC - MT 648   2019-11-18   
406-430 4   453F ONVOY, LLC - MT 648   2019-09-15   
406-430 5   453F ONVOY, LLC - MT 648   2019-11-18   
406-430 6   453F ONVOY, LLC - MT 648   2019-09-15   
406-430 7   453F ONVOY, LLC - MT 648   2019-11-18   
406-430 8   453F ONVOY, LLC - MT 648   2019-11-18   
406-430 9   453F ONVOY, LLC - MT 648   2020-11-30   
406-431 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-437 A HLNAMTMAMMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 648      
406-437 0   453F ONVOY, LLC - MT 648   2023-09-28   
406-437 1   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-04-09   
406-437 2   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-07-06   
406-437 3   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-09-14   
406-437 4   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-04-04   
406-437 5   9636 QWEST CORPORATION 648   2008-08-13   
406-437 6   9636 QWEST CORPORATION 648   2008-08-13   
406-437 7   9636 QWEST CORPORATION 648   2008-08-13   
406-437 8   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-07-08   

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

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