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
661-369 8 Bakersfield: Main DA CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2008-02-01   
661-369 9 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2008-09-04   
661-370 A Delano CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-370 0 Delano CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-370 1 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2004-08-04   
661-370 2 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2006-01-14   
661-370 3 Delano CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2012-06-02   
661-370 4 Delano CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734   2005-04-28   
661-370 5 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2006-09-15   
661-370 6 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2006-09-15   
661-370 7 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2007-04-15   
661-370 8 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2007-04-15   
661-370 9 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2017-10-14   
661-371 A Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-371 0 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2009-02-14   
661-371 1 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2009-02-14   
661-371 2 Bakersfield: Main DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2008-03-08   
661-371 3 Bakersfield: Main DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2008-03-08   
661-371 4 Bakersfield: Main DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2012-04-01   
661-371 5 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2008-09-04   
661-371 6 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2008-09-04   
661-371 7 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2007-12-17   
661-371 8 Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2008-06-01   
661-371 9 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2008-06-01   
661-372 A Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-372 0 Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-06-06   
661-372 1 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2014-06-09   
661-372 2 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-06-09   
661-372 3 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2016-04-01   
661-372 4 Delano CA BKFDCA01X2X  5562 METROPCS, INC. 734   2016-12-30   
661-372 5 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-09-11   
661-372 6 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2015-02-20   
661-372 7 Delano CA BKFDCA11XLX  792K CHARTER IP ENABLED SERVICES, LLC 734   2014-06-10   
661-372 8 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2015-01-26   
661-372 9 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2014-06-09   
661-373 A Santa Clarita: Newhall-Castaic DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-374 A Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2025-01-12   
661-374 0 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2008-02-11   
661-374 1 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2026-06-19   
661-374 2 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2026-07-20   
661-374 3 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-07-03   
661-374 4 Bakersfield: Main DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2008-03-24   
661-374 5 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2026-08-20   
661-374 6 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-01-08   
661-374 7 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2011-09-19   
661-374 8 Bakersfield: Main DA CA BKFECAND0MD  045L BHN IP ENABLED SERVICES, LLC 734   2008-06-28   
661-374 9 Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734   2008-09-04   
661-375 A Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-375 0 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2009-03-06   
661-375 1 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2012-07-11   

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

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