Local Calling Guide

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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
661-441 8 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-22   
661-441 9 Palmdale: Palmdale DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2013-08-25   
661-442 A Santa Clarita: Newhall-Castaic DA CA BLPKCAAFCM0  0051 SHELCOMM 730      
661-443 A Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 0 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 1 Walker Basin CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2017-07-20   
661-443 2 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-443 3 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2014-01-07   
661-443 4 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-443 5 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-05-04   
661-443 6 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-05-04   
661-443 7 Walker Basin CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-443 8 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-05   
661-443 9 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-05   
661-444 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-444 0 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2005-07-03   
661-444 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2003-10-19   
661-444 2 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2004-09-02   
661-444 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2003-10-19   
661-444 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2003-10-19   
661-444 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2003-10-19   
661-444 6 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2003-12-14   
661-444 7 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2003-12-14   
661-444 8 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2004-07-22   
661-444 9 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2004-10-29   
661-445 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-445 0 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 1 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 2 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 3 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 4 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 5 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 6 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 7 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 8 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-445 9 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-11-28   
661-446 A Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-446 0 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2012-10-26   
661-446 1 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2012-10-26   
661-446 2 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-04-26   
661-446 3 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-10-17   
661-446 4 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2012-10-09   
661-446 5 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-06-10   
661-446 6 Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2012-09-28   
661-446 7 Delano CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2013-01-07   
661-446 8 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2014-06-19   
661-446 9 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-11-25   
661-447 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-447 0 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2014-02-27   
661-447 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2014-02-27   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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