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
661-421 0 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2016-01-05   
661-421 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2016-01-05   
661-421 2 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 3 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 4 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 5 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 6 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 7 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 8 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-421 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-04-23   
661-422 A Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-422 2 Palmdale: Leona Valley DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
661-422 3 Palmdale: Leona Valley DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
661-422 5 Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-06-12   
661-422 6 Palmdale: Leona Valley DA CA LSANCAJWDS5  258E YMAX COMMUNICATIONS CORP. - CA 730   2011-06-20   
661-422 7 Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-06-18   
661-422 8 Palmdale: Leona Valley DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2010-10-26   
661-422 9 Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-423 A Lancaster CA LNCSCAXFDS0  2319 FRONTIER CALIFORNIA INC. 730      
661-424 A Santa Clarita: Saugus Canyon Country DA CA SLMNCA11DS0  9740 PACIFIC BELL 730      
661-424 0 Santa Clarita: Saugus Canyon Country DA CA SLMNCA11DS0  9740 PACIFIC BELL 730      
661-424 1 Santa Clarita: Saugus Canyon Country DA CA SLMNCA11DS0  9740 PACIFIC BELL 730      
661-424 2 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
661-424 3 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2005-06-17   
661-424 4 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2005-06-17   
661-424 5 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2005-06-17   
661-424 6 Santa Clarita: Saugus Canyon Country DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-06-21   
661-424 7 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-02   
661-424 8 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
661-424 9 Santa Clarita: Saugus Canyon Country DA CA SLMNCA11DS0  9740 PACIFIC BELL 730      
661-425 A Santa Clarita: Newhall-Castaic DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-425 0 Santa Clarita: Newhall-Castaic DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-18   
661-425 1 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-05-20   
661-425 2 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-08-25   
661-425 3 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-11-08   
661-425 4 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-15   
661-425 5 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2019-06-14   
661-425 6 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-07-17   
661-425 7 Santa Clarita: Newhall-Castaic DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-27   
661-425 8 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-12-29   
661-425 9 Santa Clarita: Newhall-Castaic DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-20   
661-426 A Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-426 0 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-10-17   
661-426 1 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-06-17   
661-426 2 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2013-03-07   
661-426 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2013-12-20   
661-426 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2013-12-20   
661-426 5 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-06-17   
661-426 6 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2014-07-08   
661-426 7 Bakersfield: Main DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2013-09-07   

<< 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: VoIP Much Phone Company

Like this site? We accept donations via PayPal.