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Lancaster, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-718 6   899D METROPCS NETWORKS, LLC 730   2007-09-28   
661-718 7   6529 T-MOBILE USA, INC. 730   2007-02-26   
661-718 8   2319 FRONTIER CALIFORNIA INC. 730      
661-718 9   6529 T-MOBILE USA, INC. 730   2007-09-28   
661-722 A QZHLCAXF94K  2319 FRONTIER CALIFORNIA INC. 730      
661-723 A LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-726 A LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-728 A LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-728 0   2319 FRONTIER CALIFORNIA INC. 730      
661-728 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-27   
661-728 2   2319 FRONTIER CALIFORNIA INC. 730      
661-728 3   2319 FRONTIER CALIFORNIA INC. 730      
661-728 4   2319 FRONTIER CALIFORNIA INC. 730      
661-728 5   9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-06-21   
661-728 6   6529 T-MOBILE USA, INC. 730   2007-09-28   
661-728 7   6529 T-MOBILE USA, INC. 730   2007-09-28   
661-728 8   6529 T-MOBILE USA, INC. 730   2007-09-28   
661-728 9   2319 FRONTIER CALIFORNIA INC. 730      
661-729 A LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-743 A ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-743 0   649C ONVOY, LLC - CA 730   2023-08-07   
661-743 1   649C ONVOY, LLC - CA 730   2023-08-07   
661-743 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-21   
661-743 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-21   
661-743 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
661-743 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-22   
661-743 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2023-08-07   
661-743 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-10   
661-743 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
661-743 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-06   
661-802 A LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-802 0   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
661-802 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-07-15   
661-802 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-07-15   
661-802 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-04-03   
661-802 4   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-05-22   
661-802 5   829J PAETEC ITEL, LLC 730   2008-01-31   
661-802 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-10-16   
661-802 7   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-05-22   
661-802 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-09-07   
661-802 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-10-07   
661-874 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-874 0   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-10-22   
661-874 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-03-10   
661-874 2   899D METROPCS NETWORKS, LLC 730   2007-02-04   
661-874 3   6529 T-MOBILE USA, INC. 730   2006-11-15   
661-874 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-874 5   6529 T-MOBILE USA, INC. 730   2006-05-18   
661-874 6   6529 T-MOBILE USA, INC. 730   2006-09-10   
661-874 7   6529 T-MOBILE USA, INC. 730   2006-01-28   

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

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