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
661-878 7 Palmdale: Palmdale DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-11-13   
661-878 8 Palmdale: Palmdale DA CA   516C AT&T CORP. 730   2011-06-13   
661-878 9 Palmdale: Palmdale DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-11-13   
661-884 A Wasco CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-884 0 Wasco CA   073H TELNYX LLC 734   2019-12-03   
661-884 1 Wasco CA   5562 METROPCS, INC. 734   2020-08-15   
661-884 2 Wasco CA   5562 METROPCS, INC. 734   2020-11-14   
661-884 3 Wasco CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-884 4 Wasco CA   649C ONVOY, LLC - CA 734   2024-03-12   
661-884 5 Wasco CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-884 6 Wasco CA   649C ONVOY, LLC - CA 734   2020-05-04   
661-884 7 Wasco CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-884 8 Wasco CA   649C ONVOY, LLC - CA 734   2019-12-02   
661-884 9 Wasco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-06-06   
661-885 A Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-885 0 Bakersfield: South DA CA   649C ONVOY, LLC - CA 734      
661-885 1 Bakersfield: South DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-885 2 Bakersfield: South DA CA   649C ONVOY, LLC - CA 734      
661-885 3 Bakersfield: South DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2005-07-07   
661-885 4 Bakersfield: South DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-885 5 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2017-09-21   
661-885 6 Bakersfield: South DA CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2018-05-27   
661-885 7 Bakersfield: South DA CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-11-19   
661-885 8 Bakersfield: South DA CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-09-03   
661-885 9 Bakersfield: South DA CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-06-04   
661-886 A Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 0 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 1 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 2 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 3 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 4 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 5 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 6 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-03   
661-886 7 Lancaster CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-03   
661-886 8 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-04-28   
661-886 9 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-04-28   
661-887 A Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-887 0 Palmdale: Palmdale DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 1 Palmdale: Palmdale DA CA   624H ONVOY SPECTRUM, LLC 730   2021-08-09   
661-887 2 Palmdale: Palmdale DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 3 Palmdale: Palmdale DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 4 Palmdale: Palmdale DA CA   649C ONVOY, LLC - CA 730   2021-08-07   
661-887 5 Palmdale: Palmdale DA CA   649C ONVOY, LLC - CA 730   2021-08-07   
661-887 6 Palmdale: Palmdale DA CA   649C ONVOY, LLC - CA 730   2021-08-07   
661-887 7 Palmdale: Palmdale DA CA   649C ONVOY, LLC - CA 730   2021-08-07   
661-887 8 Palmdale: Palmdale DA CA   649C ONVOY, LLC - CA 730   2021-08-07   
661-887 9 Palmdale: Palmdale DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-888 A Santa Clarita: Newhall-Castaic DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-888 0 Santa Clarita: Newhall-Castaic DA CA   6529 T-MOBILE USA, INC. 730   2019-10-25   
661-888 1 Santa Clarita: Newhall-Castaic DA CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-10-28   
661-888 2 Santa Clarita: Newhall-Castaic DA CA   649C ONVOY, LLC - CA 730   2012-12-31   
661-888 3 Santa Clarita: Newhall-Castaic DA CA   899D METROPCS NETWORKS, LLC 730   2010-10-28   
661-888 4 Santa Clarita: Newhall-Castaic DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
661-888 5 Santa Clarita: Newhall-Castaic DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-01-06   
661-888 6 Santa Clarita: Newhall-Castaic DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-02-15   
661-888 7 Santa Clarita: Newhall-Castaic DA CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   
661-888 8 Santa Clarita: Newhall-Castaic DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-18   
661-888 9 Santa Clarita: Newhall-Castaic DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2019-12-26   
661-889 A Bakersfield: Main DA CA MOJVCA02DS2  7421 AT&T - LOCAL 734      
661-889 0 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 1 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 2 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 3 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 4 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 5 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 6 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 7 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 8 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 9 Bakersfield: Main DA CA   7421 AT&T - LOCAL 734      
661-899 A Lancaster CA LSANCAJWIMD  965H FRACTEL, LLC 730      
661-899 0 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
661-899 1 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2019-09-11   
661-899 2 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-09-09   
661-899 3 Lancaster CA   6529 T-MOBILE USA, INC. 730   2019-07-17   
661-899 4 Lancaster CA   649C ONVOY, LLC - CA 730   2023-01-02   
661-899 5 Lancaster CA   649C ONVOY, LLC - CA 730   2019-09-09   
661-899 6 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-26   
661-899 7 Lancaster CA   649C ONVOY, LLC - CA 730   2019-09-09   
661-899 8 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
661-899 9 Lancaster CA   965H FRACTEL, LLC 730   2019-07-10   
661-900 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-900 0 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 1 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 2 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 3 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 4 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 5 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 6 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 7 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 8 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-900 9 Bakersfield: Main DA CA   5562 METROPCS, INC. 734      
661-902 A Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-902 0 Lancaster CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-03   
661-902 1 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-02-09   
661-902 2 Lancaster CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
661-902 3 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-03   
661-902 4 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-03-27   
661-902 5 Lancaster CA   829J PAETEC ITEL, LLC 730   2006-11-17   
661-902 6 Lancaster CA   829J PAETEC ITEL, LLC 730   2008-04-14   
661-902 7 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-09-03   

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

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