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
661-687 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   
661-695 4 Bakersfield: North DA CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734      
661-695 5 Bakersfield: North DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2006-01-14   
661-695 6 Bakersfield: North DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2014-06-19   
661-695 7 Bakersfield: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2025-01-08   
661-695 8 Bakersfield: North DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2013-12-25   
661-695 9 Bakersfield: North DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2014-04-12   
661-699 A Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-699 0 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2005-09-11   
661-699 1 Bakersfield: South DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-699 2 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2006-01-07   
661-699 3 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2006-01-07   
661-699 4 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2007-07-16   
661-699 5 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2006-02-05   
661-699 6 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2005-09-11   
661-699 7 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2006-02-05   
661-699 8 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2006-02-05   
661-699 9 Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2005-09-11   
661-701 A Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-701 0 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 1 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 2 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 3 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 4 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 5 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 6 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 7 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 8 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-701 9 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
661-702 A Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 0 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 1 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 2 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 3 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 4 Santa Clarita: Newhall-Castaic DA CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-10-14   
661-702 5 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 6 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 7 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 8 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-702 9 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-703 A Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-704 A McKittrick CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-704 0 McKittrick CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-704 1 McKittrick CA   515J IP HORIZON LLC 734   2006-09-28   
661-704 2 McKittrick CA   515J IP HORIZON LLC 734   2006-09-28   
661-704 3 McKittrick CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-08-29   
661-704 4 McKittrick CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-30   
661-704 5 McKittrick CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-08-29   

<< 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, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.