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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-885 A Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-885 0 Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-885 1 Bakersfield: South DA CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-885 2 Bakersfield: South DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-885 3 Bakersfield: South DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2005-07-07   
661-885 4 Bakersfield: South DA CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-885 5 Bakersfield: South DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2017-09-21   
661-885 6 Bakersfield: South DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2018-05-27   
661-885 7 Bakersfield: South DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-11-19   
661-885 8 Bakersfield: South DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2017-09-03   
661-885 9 Bakersfield: South DA CA BKFECANDGT0  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 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 1 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 2 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 3 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 4 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 5 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 6 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-03   
661-886 7 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-03   
661-886 8 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-04-28   
661-886 9 Lancaster CA BLTNCAADGMD  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 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 1 Palmdale: Palmdale DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-08-09   
661-887 2 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 3 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 4 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 5 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 6 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 7 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 8 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 9 Palmdale: Palmdale DA CA CYCMCALLCM5  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 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2019-10-25   
661-888 1 Santa Clarita: Newhall-Castaic DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-10-28   
661-888 2 Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-31   
661-888 3 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730   2010-10-28   
661-888 4 Santa Clarita: Newhall-Castaic DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
661-888 5 Santa Clarita: Newhall-Castaic DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-01-06   
661-888 6 Santa Clarita: Newhall-Castaic DA CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-02-15   
661-888 7 Santa Clarita: Newhall-Castaic DA CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-11-02   
661-888 8 Santa Clarita: Newhall-Castaic DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-10-18   
661-888 9 Santa Clarita: Newhall-Castaic DA CA LSANCA54DS7  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 BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 2 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   

<< 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.