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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
661-678 3 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-03-09   
661-678 4 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  7421 AT&T - LOCAL 730      
661-678 5 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-06-12   
661-678 6 Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-06-17   
661-678 7 Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-06-17   
661-678 8 Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-06-17   
661-678 9 Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2006-06-01   
661-679 A Bakersfield: North DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-679 0 Bakersfield: North DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-679 1 Bakersfield: North DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2005-06-18   
661-679 2 Bakersfield: North DA CA   145J TERRA NOVA TELECOM INC. 734   2020-11-14   
661-679 3 Bakersfield: North DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2014-09-15   
661-679 4 Bakersfield: North DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2007-07-26   
661-679 5 Bakersfield: North DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-11-13   
661-679 6 Bakersfield: North DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2012-10-06   
661-679 7 Bakersfield: North DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2008-04-10   
661-679 8 Bakersfield: North DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2012-08-11   
661-679 9 Bakersfield: North DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2005-12-23   
661-680 A Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 0 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-07-17   
661-680 1 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-07-17   
661-680 2 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-09-04   
661-680 3 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-09-04   
661-680 4 Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 5 Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 6 Bakersfield: North DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 7 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-09-04   
661-680 8 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-07-24   
661-680 9 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-07-24   
661-681 A Bakersfield: North DA CA BKFHCAON6MD  478J NUSO, LLC 734   2025-06-12   
661-681 0 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-07-24   
661-681 1 Bakersfield: North DA CA BKFHCAON6MD  478J NUSO, LLC 734   2025-06-12   
661-681 6 Bakersfield: North DA CA BKFDCAKTX8X  321J HD CARRIER LLC 734   2026-05-15   
661-681 7 Bakersfield: North DA CA BKFDCAKTX8X  321J HD CARRIER LLC 734   2026-05-15   
661-681 8 Bakersfield: North DA CA BKFDCAKTX8X  321J HD CARRIER LLC 734   2026-05-15   
661-681 9 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734   2026-07-24   
661-682 A Bakersfield: Main DA CA BKFDCAKTXIX  700J WAVENATION, LLC 734   2025-09-25   
661-682 0 Bakersfield: Main DA CA BKFDCAKTXIX  700J WAVENATION, LLC 734   2025-09-25   
661-682 1 Bakersfield: Main DA CA   649C ONVOY, LLC - CA 734   2026-08-30   
661-682 4 Bakersfield: Main DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2026-10-05   
661-682 5 Bakersfield: Main DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2026-10-05   
661-682 6 Bakersfield: Main DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2026-10-05   
661-682 9 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-01-03   
661-683 A Lancaster CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2025-10-25   
661-683 0 Lancaster CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2025-10-25   
661-683 1 Lancaster CA LSANCAJWMMD  490J BOOST SUBSCRIBERCO L.L.C. 730   2025-10-27   
661-683 2 Lancaster CA   649C ONVOY, LLC - CA 730   2026-08-30   
661-683 3 Lancaster CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2026-09-20   
661-683 4 Lancaster CA   649C ONVOY, LLC - CA 730   2026-09-27   
661-683 5 Lancaster CA   649C ONVOY, LLC - CA 730   2026-08-17   
661-683 6 Lancaster CA   649C ONVOY, LLC - CA 730   2026-08-17   
661-683 7 Lancaster CA   649C ONVOY, LLC - CA 730   2026-08-17   
661-683 8 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-11-14   
661-683 9 Lancaster CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2025-11-09   
661-684 A Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-10-27   
661-684 0 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-10-27   
661-684 1 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-10-27   
661-684 2 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-11-07   
661-684 3 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-11-07   
661-684 4 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-01-17   
661-684 5 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-01-17   
661-684 6 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-10-27   
661-684 7 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-04-25   
661-684 8 Bakersfield: South DA CA   649C ONVOY, LLC - CA 734   2026-07-27   
661-684 9 Bakersfield: South DA CA   649C ONVOY, LLC - CA 734   2026-07-24   
661-686 A Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2026-03-23   
661-686 0 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2026-03-23   
661-686 1 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2026-06-15   
661-686 2 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-09-12   
661-686 3 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-09-12   
661-686 4 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-09-12   
661-686 5 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-09-12   
661-686 6 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-09-12   
661-686 7 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2026-07-20   
661-686 8 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-07-20   
661-686 9 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-07-20   
661-687 A Bakersfield: South DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-687 0 Bakersfield: South DA CA BKFDCAKTX1X  939H COMMIO, LLC 734   2024-01-28   
661-687 1 Bakersfield: South DA CA BKFDCAKTX1X  939H COMMIO, LLC 734   2024-01-28   
661-687 2 Bakersfield: South DA CA BKFDCAKTX1X  939H COMMIO, LLC 734   2024-01-28   
661-687 3 Bakersfield: South DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2022-07-25   
661-687 4 Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2024-02-04   
661-687 5 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2024-02-05   
661-687 6 Bakersfield: South DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2022-07-25   
661-687 7 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-01-08   
661-687 8 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-01-08   
661-687 9 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-01-08   
661-688 A Bakersfield: Main DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-688 0 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 1 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 2 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 3 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 4 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 5 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-09-10   
661-688 6 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-688 7 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2021-09-13   
661-688 8 Bakersfield: Main DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2020-02-17   
661-688 9 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-11-25   
661-689 A California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-689 0 California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      

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

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