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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
661-928 1 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2024-05-25   
661-928 2 Bakersfield: South DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2025-01-27   
661-928 3 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-03-17   
661-928 4 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-03-25   
661-928 5 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2025-04-07   
661-928 6 Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2024-07-07   
661-928 7 Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2024-07-27   
661-928 8 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-12-05   
661-928 9 Bakersfield: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-02-16   
661-932 A Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-932 0 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2004-12-13   
661-932 1 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2005-01-17   
661-932 2 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2005-02-04   
661-932 3 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2005-05-08   
661-932 4 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2005-06-23   
661-932 5 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2006-12-16   
661-932 6 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2007-02-23   
661-932 7 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2008-11-23   
661-932 8 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2004-05-31   
661-932 9 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-933 A Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-933 0 Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2021-12-08   
661-933 1 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 2 Bakersfield: North DA CA BKFDCAKTX7X  516J TON80 COMMUNICATIONS, LLC 734   2021-10-07   
661-933 3 Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2021-09-12   
661-933 4 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 5 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 6 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 7 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 8 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-933 9 Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-03-21   
661-934 A Arvin CA BKFDCAKTX7X  516J TON80 COMMUNICATIONS, LLC 734      
661-934 0 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-06-11   
661-934 1 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-06-11   
661-934 2 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-06-11   
661-934 3 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-06-11   
661-934 4 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-934 5 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-934 6 Arvin CA BKFDCAKTX7X  516J TON80 COMMUNICATIONS, LLC 734   2021-06-08   
661-934 7 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-07-29   
661-934 8 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-07-29   
661-934 9 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-07-29   
661-936 A Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-936 0 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-09-09   
661-936 1 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-09-09   
661-936 2 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-03-11   
661-936 3 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-03-11   
661-936 4 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-03-11   
661-936 5 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-03-11   
661-936 6 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-03-11   
661-936 7 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-14   
661-936 8 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-14   
661-936 9 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-14   
661-940 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-941 A Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-941 0 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 1 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 2 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
661-941 3 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-11-15   
661-941 4 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
661-941 5 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 6 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-05-26   
661-941 7 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-05-26   
661-941 8 Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-05-16   
661-941 9 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-05-10   
661-942 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-943 A Lancaster CA QZHLCAXF94K  2319 FRONTIER CALIFORNIA INC. 730      
661-944 A Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 0 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 1 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 2 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 3 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 4 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 5 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 6 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 7 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-13   
661-944 8 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-944 9 Palmdale: Palmdale DA CA LTRKCA11DS1  9740 PACIFIC BELL 730      
661-945 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-946 A Lancaster CA LNCSCAXFDS0  2319 FRONTIER CALIFORNIA INC. 730      
661-947 A Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-948 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 0 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 1 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 2 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 3 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 4 Lancaster CA   829J PAETEC ITEL, LLC 730   2007-11-12   
661-949 5 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-949 6 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 7 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 8 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-949 9 Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-951 A Lancaster CA LNCSCAXG94K  2319 FRONTIER CALIFORNIA INC. 730      
661-952 A Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 0 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 1 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 2 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 3 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 4 Lancaster CA LSANCAJW6MD  073H TELNYX LLC 730   2017-06-02   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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