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.

NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-675 2 Palmdale: Palmdale DA CA   515J IP HORIZON LLC 730      
661-675 3 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-08-20   
661-675 4 Palmdale: Palmdale DA CA   515J IP HORIZON LLC 730      
661-675 5 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-04-03   
661-675 6 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-04-03   
661-675 7 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-07-05   
661-675 8 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-07-05   
661-675 9 Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-09-09   
661-677 A Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-677 0 Bakersfield: North DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2020-04-09   
661-677 1 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 2 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 3 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-05-19   
661-677 4 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 5 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-31   
661-677 6 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-11-14   
661-677 7 Bakersfield: North DA CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2020-02-25   
661-677 8 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-11-14   
661-677 9 Bakersfield: North DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2020-06-25   
661-678 A Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  7421 AT&T - LOCAL 730      
661-678 0 Santa Clarita: Newhall-Castaic DA CA ANHMCA01XEY  516C AT&T CORP. 730   2011-08-31   
661-678 1 Santa Clarita: Newhall-Castaic DA CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2010-03-12   
661-678 2 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  7421 AT&T - LOCAL 730      
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 BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2014-09-15   
661-679 4 Bakersfield: North DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 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 BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2012-10-06   
661-679 7 Bakersfield: North DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 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   
661-687 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      
661-689 1 California Hot Springs CA   515J IP HORIZON LLC 734   2006-09-28   
661-689 2 California Hot Springs CA   515J IP HORIZON LLC 734   2006-09-28   
661-689 3 California Hot Springs CA BKFDCAKTOMD  073H TELNYX LLC 734   2018-07-10   
661-689 4 California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-26   
661-689 5 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2017-04-04   
661-689 6 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 7 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 8 California Hot Springs CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2024-01-05   
661-690 A Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-690 0 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-06-13   
661-690 1 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-06-13   
661-690 2 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-06-13   
661-690 3 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-06-13   
661-690 4 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-02-10   
661-690 5 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-02-10   
661-690 6 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2020-08-10   
661-690 7 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-10-14   
661-690 8 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2019-08-09   
661-690 9 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2019-06-09   
661-694 A Bakersfield: North DA CA BKFHCAON5MD  732J NUSO, LLC 734      
661-694 0 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-07-23   
661-694 1 Bakersfield: North DA CA BKFHCAON5MD  732J NUSO, LLC 734   2023-05-19   
661-694 2 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-07-23   
661-694 3 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-07-23   
661-694 4 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-694 5 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-694 6 Bakersfield: North DA CA BKFHCAON5MD  732J NUSO, LLC 734   2024-01-06   
661-694 7 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-694 8 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-07-23   
661-694 9 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-05-02   
661-695 A Bakersfield: North DA CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734      
661-695 0 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2008-06-12   
661-695 1 Bakersfield: North DA CA BKFDCAKTOMD  073H TELNYX LLC 734   2017-03-24   
661-695 2 Bakersfield: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-01-08   
661-695 3 Bakersfield: North DA CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734   2006-12-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.