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Santa Clarita: Newhall-Castaic DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-625 8   6529 T-MOBILE USA, INC. 730   2022-10-18   
661-625 9   6529 T-MOBILE USA, INC. 730   2022-02-06   
661-627 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-627 0   649C ONVOY, LLC - CA 730   2021-07-22   
661-627 1   649C ONVOY, LLC - CA 730   2021-07-22   
661-627 2   649C ONVOY, LLC - CA 730   2021-07-22   
661-627 3   649C ONVOY, LLC - CA 730   2021-07-22   
661-627 4   624H ONVOY SPECTRUM, LLC 730   2021-11-15   
661-627 5   516J TON80 COMMUNICATIONS, LLC 730   2021-08-31   
661-627 6   6529 T-MOBILE USA, INC. 730   2021-05-07   
661-627 7   6529 T-MOBILE USA, INC. 730   2021-05-07   
661-627 8   6529 T-MOBILE USA, INC. 730   2021-04-12   
661-627 9   6529 T-MOBILE USA, INC. 730   2021-04-12   
661-644 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-09-27   
661-644 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-08-24   
661-644 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-11-26   
661-645 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-651 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-651 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-02   
661-651 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-07-11   
661-651 2   649C ONVOY, LLC - CA 730   2023-07-23   
661-651 3   649C ONVOY, LLC - CA 730   2023-10-30   
661-651 4   649C ONVOY, LLC - CA 730   2023-10-30   
661-651 5   649C ONVOY, LLC - CA 730   2023-10-30   
661-651 6   649C ONVOY, LLC - CA 730   2023-01-23   
661-651 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-09-24   
661-651 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-09-10   
661-651 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
661-652 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-11-03   
661-652 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-26   
661-652 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-26   
661-652 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-26   
661-652 3   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
661-652 4   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
661-652 5   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
661-652 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-08-25   
661-652 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-04-21   
661-652 9   6529 T-MOBILE USA, INC. 730   2024-11-03   
661-666 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-666 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-08-06   
661-666 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-04-27   
661-666 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-10-10   
661-666 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-05-11   
661-666 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-12-14   
661-666 5   649C ONVOY, LLC - CA 730   2012-12-31   
661-666 6   649C ONVOY, LLC - CA 730   2011-03-03   
661-666 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-15   
661-666 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-05-15   
661-666 9   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2014-04-03   
661-670 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-670 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-03-05   
661-670 1   899D METROPCS NETWORKS, LLC 730   2010-01-21   
661-670 2   829J PAETEC ITEL, LLC 730   2010-05-05   
661-670 3   899D METROPCS NETWORKS, LLC 730   2007-03-02   
661-670 4   899D METROPCS NETWORKS, LLC 730   2007-03-02   
661-670 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-09-16   
661-670 6   899D METROPCS NETWORKS, LLC 730   2007-05-14   
661-670 7   6529 T-MOBILE USA, INC. 730   2006-01-07   
661-670 8   516C AT&T CORP. 730   2010-07-20   
661-670 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-03-05   
661-678 A SHOKCA02DS2  7421 AT&T - LOCAL 730      
661-678 0   516C AT&T CORP. 730   2011-08-31   
661-678 1   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2010-03-12   
661-678 2   7421 AT&T - LOCAL 730      
661-678 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-03-09   
661-678 4   7421 AT&T - LOCAL 730      
661-678 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-06-12   
661-678 6   649C ONVOY, LLC - CA 730   2005-06-17   
661-678 7   649C ONVOY, LLC - CA 730   2005-06-17   
661-678 8   649C ONVOY, LLC - CA 730   2005-06-17   
661-678 9   649C ONVOY, LLC - CA 730   2006-06-01   
661-702 A CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 0   9740 PACIFIC BELL 730      
661-702 1   9740 PACIFIC BELL 730      
661-702 2   9740 PACIFIC BELL 730      
661-702 3   9740 PACIFIC BELL 730      
661-702 4   829J PAETEC ITEL, LLC 730   2005-10-14   
661-702 5   9740 PACIFIC BELL 730      
661-702 6   9740 PACIFIC BELL 730      
661-702 7   9740 PACIFIC BELL 730      
661-702 8   9740 PACIFIC BELL 730      
661-702 9   9740 PACIFIC BELL 730      
661-705 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 0   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 6   508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-03-11   
661-705 7   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-705 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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