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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
661-568 2   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-11-27   
661-568 3   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-06-10   
661-568 4   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-05-08   
661-568 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-10-24   
661-568 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-23   
661-568 7   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2016-03-07   
661-568 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-08-08   
661-568 9   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-11-05   
661-593 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-593 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-09-12   
661-593 2   899D METROPCS NETWORKS, LLC 730   2016-12-31   
661-593 3   899D METROPCS NETWORKS, LLC 730   2017-04-17   
661-593 4   649C ONVOY, LLC - CA 730   2017-06-10   
661-593 5   073H TELNYX LLC 730   2017-06-02   
661-593 6   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2019-05-26   
661-593 7   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2016-09-12   
661-593 8   6529 T-MOBILE USA, INC. 730   2016-12-09   
661-593 9   6529 T-MOBILE USA, INC. 730   2016-09-11   
661-600 A LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-600 0   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-600 1   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-600 2   6529 T-MOBILE USA, INC. 730   2005-01-03   
661-600 3   6529 T-MOBILE USA, INC. 730   2004-01-30   
661-600 4   899D METROPCS NETWORKS, LLC 730   2003-10-07   
661-600 5   6529 T-MOBILE USA, INC. 730   2005-02-03   
661-600 6   6529 T-MOBILE USA, INC. 730   2005-04-16   
661-600 7   6529 T-MOBILE USA, INC. 730   2005-06-10   
661-600 8   6529 T-MOBILE USA, INC. 730   2006-02-26   
661-600 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-03-02   
661-607 A CSTCCA11DS0  9740 PACIFIC BELL 730      
661-607 0   9740 PACIFIC BELL 730      
661-607 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-11-11   
661-607 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-11-11   
661-607 3   6529 T-MOBILE USA, INC. 730   2004-03-16   
661-607 4   6529 T-MOBILE USA, INC. 730   2004-03-27   
661-607 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-607 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 9   6529 T-MOBILE USA, INC. 730   2005-10-16   
661-625 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-625 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-11   
661-625 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-07-11   
661-625 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-08-11   
661-625 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-09-10   
661-625 4   624H ONVOY SPECTRUM, LLC 730   2022-02-07   
661-625 5   624H ONVOY SPECTRUM, LLC 730   2022-02-07   
661-625 6   6529 T-MOBILE USA, INC. 730   2022-02-06   
661-625 7   6529 T-MOBILE USA, INC. 730   2022-02-06   
661-625 8   6529 T-MOBILE USA, INC. 730   2022-10-18   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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