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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
661-310 9 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-312 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 0 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-312 2 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 3 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 4 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 5 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 6 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 7 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 8 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-312 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-362 A ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 0 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 1 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 2 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 3 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 4 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 5 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 6 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 7 ANHMCANG5MD  829J PAETEC ITEL, LLC 730      
661-362 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-31   
661-362 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-10-16   
661-373 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-383 A CSTCCA11DS0  9740 PACIFIC BELL 730      
661-383 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-21   
661-383 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-21   
661-383 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-21   
661-383 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-07-23   
661-383 4 CSTCCA11DS0  9740 PACIFIC BELL 730   2015-03-19   
661-383 5 CSTCCA11DS0  9740 PACIFIC BELL 730   2015-03-19   
661-383 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-08-16   
661-383 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-19   
661-383 8 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-04-25   
661-383 9 SHOKCA02QMD  793K TWC IP ENABLED SERVICES, LLC 730   2015-04-27   
661-388 A SHOKCA02QMD  793K TWC IP ENABLED SERVICES, LLC 730      
661-388 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-27   
661-388 1 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2011-01-03   
661-388 2 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-01-26   
661-388 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-04-01   
661-388 4 SHOKCA02QMD  793K TWC IP ENABLED SERVICES, LLC 730   2010-09-30   
661-388 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-27   
661-388 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-04-01   
661-388 7 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-07-13   
661-388 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-02-08   
661-388 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-07-03   
661-414 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
661-414 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-08-07   
661-414 1 ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
661-414 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-10-07   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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