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Butte, MT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-491 4 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 5 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 6 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 7 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 8 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2016-01-29   
406-491 9 MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-10-02   
406-494 A BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-496 A BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 0 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 1 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 2 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 3 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 4 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 5 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 6 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 7 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2024-05-19   
406-496 8 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-496 9 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 A BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 0 GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2023-11-27   
406-497 1 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 2 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 3 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 4 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 5 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 6 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 7 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 8 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-497 9 BUTTMT09DS0  9636 QWEST CORPORATION 648      
406-498 A HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648      
406-533 A BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 0 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 1 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 2 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 3 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 4 GRFLMTMAKMD  624H ONVOY SPECTRUM, LLC 648   2021-07-18   
406-533 5 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-03-22   
406-533 6 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 7 BUTTMT18RS1  9636 QWEST CORPORATION 648      
406-533 8 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2007-07-13   
406-533 9 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-01-22   
406-565 A MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-565 0 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2008-09-15   
406-565 1 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-02-23   
406-565 2 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2009-09-14   
406-565 3 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-02-09   
406-565 4 MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-565 5 HLNAMTHH5MD  792K CHARTER IP ENABLED SERVICES, LLC 648   2005-05-13   
406-565 6 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2010-07-14   
406-565 7 HLNAMTMAX1X  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648   2011-02-05   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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