Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Bakersfield: North DA, CA

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-525 7   508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-525 8   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2015-06-12   
661-525 9   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2015-06-12   
661-535 A BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-535 0   649C ONVOY, LLC - CA 734   2016-03-21   
661-535 1   649C ONVOY, LLC - CA 734   2016-03-21   
661-535 2   649C ONVOY, LLC - CA 734   2016-04-23   
661-535 3   649C ONVOY, LLC - CA 734   2016-04-23   
661-535 4   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-05-28   
661-535 5   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2017-05-07   
661-535 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2015-12-18   
661-535 7   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2017-03-06   
661-535 8   516C AT&T CORP. 734   2015-08-31   
661-535 9   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2015-08-30   
661-587 A BKFDCA17DS0  9740 PACIFIC BELL 734      
661-588 A BKFDCA17DS0  9740 PACIFIC BELL 734      
661-589 A BKFDCA17DS0  9740 PACIFIC BELL 734      
661-601 A BKFHCAON0MD  939H COMMIO, LLC 734      
661-601 0   624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-601 1   939H COMMIO, LLC 734   2022-04-25   
661-601 2   624H ONVOY SPECTRUM, LLC 734   2022-05-29   
661-601 3   624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-601 4   624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-601 5   624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-601 6   624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-601 7   649C ONVOY, LLC - CA 734   2022-12-12   
661-601 8   649C ONVOY, LLC - CA 734   2022-12-12   
661-601 9   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-05   
661-615 A BKFDCA12X1X  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-615 0   5562 METROPCS, INC. 734   2005-10-08   
661-615 1   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-615 2   981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-05-01   
661-615 3   516C AT&T CORP. 734   2011-02-28   
661-615 4   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-615 5   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734   2008-07-14   
661-615 6   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2004-06-06   
661-615 7   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-615 8   981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-11-13   
661-615 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2016-12-01   
661-629 A BKFDCAKTX1X  939H COMMIO, LLC 734   2024-03-03   
661-629 0   939H COMMIO, LLC 734   2024-03-03   
661-629 1   939H COMMIO, LLC 734   2024-03-03   
661-629 2   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-01-17   
661-629 3   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2026-01-17   
661-629 4   490J DISH WIRELESS, LLC 734   2024-06-14   
661-629 5   649C ONVOY, LLC - CA 734   2024-07-07   
661-629 6   649C ONVOY, LLC - CA 734   2024-07-07   
661-629 7   649C ONVOY, LLC - CA 734   2024-07-27   
661-640 A BKFDCAKTX9X  321J HD CARRIER LLC 734   2024-09-02   
661-640 0   649C ONVOY, LLC - CA 734   2024-09-03   
661-640 1   649C ONVOY, LLC - CA 734   2024-09-03   
661-640 2   732J NUSO, LLC 734   2024-09-21   
661-640 3   732J NUSO, LLC 734   2024-09-21   
661-640 4   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-12-05   
661-640 5   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2024-11-02   
661-640 6   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-09-09   
661-640 7   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-09-09   
661-640 8   321J HD CARRIER LLC 734   2024-09-02   
661-640 9   321J HD CARRIER LLC 734   2024-09-02   
661-677 A BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-677 0   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2020-04-09   
661-677 1   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 2   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 3   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 4   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 5   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 6   649C ONVOY, LLC - CA 734   2020-11-14   
661-677 7   965H FRACTEL, LLC 734   2020-02-25   
661-677 8   649C ONVOY, LLC - CA 734   2020-11-14   
661-677 9   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2020-06-25   
661-679 A BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-679 0   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-679 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2005-06-18   
661-679 2   145J TERRA NOVA TELECOM INC. 734   2020-11-14   
661-679 3   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2014-09-15   
661-679 4   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2007-07-26   
661-679 5   981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-11-13   
661-679 6   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2012-10-06   
661-679 7   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2008-04-10   
661-679 8   981E BANDWIDTH.COM CLEC, LLC - CA 734   2012-08-11   
661-679 9   5562 METROPCS, INC. 734   2005-12-23   
661-680 A   624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 4   624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 5   624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-680 6   624H ONVOY SPECTRUM, LLC 734   2025-06-10   
661-681 A   478J NUSO, LLC 734   2025-06-12   
661-681 1   478J NUSO, LLC 734   2025-06-12   
661-694 A BKFHCAON5MD  732J NUSO, LLC 734      
661-694 0   649C ONVOY, LLC - CA 734   2023-07-23   
661-694 1   732J NUSO, LLC 734   2023-05-19   
661-694 2   649C ONVOY, LLC - CA 734   2023-07-23   
661-694 3   649C ONVOY, LLC - CA 734   2023-07-23   
661-694 6   732J NUSO, LLC 734   2024-01-06   
661-694 8   649C ONVOY, LLC - CA 734   2023-07-23   
661-694 9   649C ONVOY, LLC - CA 734   2023-05-02   
661-695 A BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734      
661-695 0   649C ONVOY, LLC - CA 734   2008-06-12   
661-695 1   073H TELNYX LLC 734   2017-03-24   
661-695 2   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-01-08   
661-695 3   7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734   2006-12-19   

<< 1 2 3 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.