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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
661-705 9   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-713 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-714 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-753 A NHLLCA01DS0  9740 PACIFIC BELL 730      
661-753 0   9740 PACIFIC BELL 730      
661-753 1   9740 PACIFIC BELL 730      
661-753 2   9740 PACIFIC BELL 730      
661-753 3   516C AT&T CORP. 730   2006-06-30   
661-753 4   6529 T-MOBILE USA, INC. 730   2007-01-19   
661-753 5   9740 PACIFIC BELL 730      
661-753 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-10-07   
661-753 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-10-07   
661-753 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2006-08-19   
661-753 9   9740 PACIFIC BELL 730      
661-755 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-775 A CSTCCA11DS0  9740 PACIFIC BELL 730      
661-799 A NHLLCA01DS0  9740 PACIFIC BELL 730      
661-803 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-812 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-02   
661-812 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-02   
661-812 1   649C ONVOY, LLC - CA 730   2024-03-10   
661-812 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-17   
661-812 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-30   
661-812 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-12-13   
661-812 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-06-23   
661-812 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-11   
661-812 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-09-16   
661-812 8   649C ONVOY, LLC - CA 730   2024-03-10   
661-812 9   649C ONVOY, LLC - CA 730   2024-03-10   
661-857 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-857 0   899D METROPCS NETWORKS, LLC 730      
661-857 1   899D METROPCS NETWORKS, LLC 730      
661-857 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-12-09   
661-857 3   899D METROPCS NETWORKS, LLC 730      
661-857 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-08-16   
661-857 5   899D METROPCS NETWORKS, LLC 730   2006-08-20   
661-857 6   899D METROPCS NETWORKS, LLC 730      
661-857 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
661-857 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2006-07-14   
661-857 9   899D METROPCS NETWORKS, LLC 730      
661-877 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-877 0   6529 T-MOBILE USA, INC. 730   2006-08-11   
661-877 1   6529 T-MOBILE USA, INC. 730   2003-08-27   
661-877 2   6529 T-MOBILE USA, INC. 730   2004-06-26   
661-877 3   6529 T-MOBILE USA, INC. 730   2003-08-27   
661-877 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-877 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-10   
661-877 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-10   
661-877 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-877 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-877 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-23   
661-888 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-888 0   6529 T-MOBILE USA, INC. 730   2019-10-25   
661-888 1   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-10-28   
661-888 2   649C ONVOY, LLC - CA 730   2012-12-31   
661-888 3   899D METROPCS NETWORKS, LLC 730   2010-10-28   
661-888 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
661-888 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-01-06   
661-888 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-02-15   
661-888 7   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   
661-888 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-18   
661-888 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2019-12-26   
661-904 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-904 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-05   
661-904 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-05   
661-904 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-964 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-964 0   145J TERRA NOVA TELECOM INC. 730   2025-06-26   
661-964 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-964 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2012-03-10   
661-964 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
661-964 4   649C ONVOY, LLC - CA 730   2013-03-09   
661-964 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-21   
661-964 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2005-11-15   
661-964 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-06   
661-964 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-06   
661-964 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-06   
661-993 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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

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