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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-766 0 Cuyama CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-766 1 Cuyama CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-766 2 Cuyama CA   4420 FRONTIER CALIFORNIA INC. 734      
661-766 3 Cuyama CA   649C ONVOY, LLC - CA 734   2011-05-22   
661-766 4 Cuyama CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-30   
661-766 5 Cuyama CA   649C ONVOY, LLC - CA 734   2017-04-04   
661-766 6 Cuyama CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2026-02-15   
661-766 7 Cuyama CA   508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-766 8 Cuyama CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2018-08-31   
661-766 9 Cuyama CA   145J TERRA NOVA TELECOM INC. 734   2022-04-12   
661-768 A Taft CA FLWSCAXFRS2  4420 FRONTIER CALIFORNIA INC. 734      
661-768 0 Taft CA   649C ONVOY, LLC - CA 734   2018-09-24   
661-768 1 Taft CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-768 2 Taft CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-768 3 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 4 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 5 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 6 Taft CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2012-11-19   
661-768 7 Taft CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2014-07-24   
661-768 8 Taft CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-04-27   
661-768 9 Taft CA   073H TELNYX LLC 734   2018-07-06   
661-769 A Taft CA MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-769 0 Taft CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-769 2 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-769 3 Taft CA   649C ONVOY, LLC - CA 734   2021-11-14   
661-769 4 Taft CA   649C ONVOY, LLC - CA 734   2021-11-14   
661-769 5 Taft CA   649C ONVOY, LLC - CA 734   2017-04-04   
661-769 6 Taft CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2009-01-15   
661-769 7 Taft CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2014-04-12   
661-769 8 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-769 9 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-770 A Taft CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-770 0 Taft CA   981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-770 1 Taft CA   6529 T-MOBILE USA, INC. 734   2021-02-13   
661-770 2 Taft CA   939H COMMIO, LLC 734   2022-07-22   
661-770 3 Taft CA   490J DISH WIRELESS, LLC 734   2023-11-13   
661-770 4 Taft CA   145J TERRA NOVA TELECOM INC. 734   2022-11-03   
661-770 5 Taft CA   6529 T-MOBILE USA, INC. 734   2021-04-24   
661-770 6 Taft CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-04-15   
661-770 7 Taft CA   6529 T-MOBILE USA, INC. 734   2007-06-04   
661-770 8 Taft CA   6529 T-MOBILE USA, INC. 734   2020-08-22   
661-770 9 Taft CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2020-04-09   
661-771 A Tehachapi CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-771 0 Tehachapi CA   9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-10   
661-771 1 Tehachapi CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-771 2 Tehachapi CA   649C ONVOY, LLC - CA 734   2008-06-12   
661-771 3 Tehachapi CA   649C ONVOY, LLC - CA 734   2014-01-07   
661-771 4 Tehachapi CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2016-04-08   
661-771 5 Tehachapi CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-771 6 Tehachapi CA   649C ONVOY, LLC - CA 734   2008-06-12   
661-771 7 Tehachapi CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2014-04-28   
661-771 8 Tehachapi CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2014-10-01   
661-771 9 Tehachapi CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-02-10   
661-772 A Wasco CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-772 0 Wasco CA   508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-772 1 Wasco CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-772 2 Wasco CA   145J TERRA NOVA TELECOM INC. 734   2025-07-25   
661-772 3 Wasco CA   5562 METROPCS, INC. 734   2012-03-22   
661-772 4 Wasco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2015-10-09   
661-772 5 Wasco CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2005-12-05   
661-772 6 Wasco CA   5562 METROPCS, INC. 734   2016-07-31   
661-772 7 Wasco CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2009-01-15   
661-772 8 Wasco CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2012-09-14   
661-772 9 Wasco CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2015-05-24   
661-773 A Walker Basin CA BKFDCA01X0X  516C AT&T CORP. 734      
661-773 2 Walker Basin CA   649C ONVOY, LLC - CA 734   2021-11-16   
661-773 3 Walker Basin CA   073H TELNYX LLC 734   2018-07-09   
661-773 5 Walker Basin CA   649C ONVOY, LLC - CA 734   2021-11-16   
661-773 7 Walker Basin CA   516C AT&T CORP. 734   2011-04-24   
661-773 8 Walker Basin CA   624H ONVOY SPECTRUM, LLC 734   2024-01-05   
661-773 9 Walker Basin CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2018-10-21   
661-774 A Palmdale: Palmdale DA CA ONTRCAXPXAY  6967 33 WIRELESS INC. 730      
661-775 A Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-776 A Shafter CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-776 0 Shafter CA   6529 T-MOBILE USA, INC. 734   2015-02-28   
661-776 1 Shafter CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-776 2 Shafter CA   649C ONVOY, LLC - CA 734   2020-06-08   
661-776 3 Shafter CA   649C ONVOY, LLC - CA 734   2020-06-08   
661-776 4 Shafter CA   6529 T-MOBILE USA, INC. 734   2022-01-19   
661-776 5 Shafter CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2009-01-15   
661-776 8 Shafter CA   073H TELNYX LLC 734   2017-03-24   
661-776 9 Shafter CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2013-10-05   
661-777 A Lebec CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-777 0 Lebec CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-01-15   
661-777 1 Lebec CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-777 2 Lebec CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-777 3 Lebec CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2010-11-28   
661-777 5 Lebec CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-777 6 Lebec CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-07-16   
661-777 7 Lebec CA   649C ONVOY, LLC - CA 734   2010-10-03   
661-777 8 Lebec CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-11-08   
661-777 9 Lebec CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2013-10-28   
661-778 A Delano CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-778 0 Delano CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2007-07-26   
661-778 1 Delano CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-778 2 Delano CA   5562 METROPCS, INC. 734   2007-08-14   
661-778 3 Delano CA   5562 METROPCS, INC. 734   2005-02-07   
661-778 4 Delano CA   5562 METROPCS, INC. 734   2007-08-14   
661-778 5 Delano CA   5562 METROPCS, INC. 734   2006-08-12   
661-778 6 Delano CA   5562 METROPCS, INC. 734   2005-11-12   

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

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