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: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-414 A Los Angeles: DA 03 CA SHOKCA02KMD  6630 USA MOBILITY WIRELESS, INC. 730      
323-415 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-416 A Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
323-416 0 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 1 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 2 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 3 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 4 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 5 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 6 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 7 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 8 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-416 9 Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-06-10   
323-417 A Los Angeles: DA 06 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
323-418 A Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 0 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 1 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 2 Los Angeles: DA 09 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-22   
323-418 3 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 4 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 5 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 6 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 7 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-08-25   
323-418 8 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-418 9 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-419 A Los Angeles: DA 11 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-419 0 Los Angeles: DA 11 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-419 1 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-12-28   
323-419 2 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-12-28   
323-419 3 Los Angeles: DA 11 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-03   
323-419 4 Los Angeles: DA 11 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-03-21   
323-419 5 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-12-28   
323-419 6 Los Angeles: DA 11 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2005-05-13   
323-419 7 Los Angeles: DA 11 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2005-09-19   
323-419 8 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-12-13   
323-419 9 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-12-13   
323-420 A Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-420 0 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-420 1 Los Angeles: DA 09 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-12-30   
323-420 2 Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-420 3 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 4 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 5 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 6 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 7 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-420 8 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-22   
323-420 9 Los Angeles: DA 09 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-22   
323-421 A Los Angeles: DA 12 CA LSANCA15DS0  9740 PACIFIC BELL 730      
323-421 0 Los Angeles: DA 12 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-12-01   
323-421 1 Los Angeles: DA 12 CA LSANCA15DS0  9740 PACIFIC BELL 730      
323-421 2 Los Angeles: DA 12 CA LSANCA15DS0  9740 PACIFIC BELL 730      
323-421 3 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-19   
323-421 4 Los Angeles: DA 12 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-21   
323-421 5 Los Angeles: DA 12 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-08-11   
323-421 6 Los Angeles: DA 12 CA ANHMCA01XEY  516C AT&T CORP. 730   2015-06-23   
323-421 7 Los Angeles: DA 12 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-04-02   
323-421 8 Los Angeles: DA 12 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-12   
323-421 9 Los Angeles: DA 12 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-12   
323-422 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-423 A Los Angeles: DA 03 CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-423 0 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 1 Los Angeles: DA 03 CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-423 2 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 3 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-04   
323-423 4 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-03-20   
323-423 5 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-04-09   
323-423 6 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-04-09   
323-423 7 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   
323-423 8 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   
323-423 9 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-05-01   
323-424 A Los Angeles: DA 13 CA ANHMCA01XEY  516C AT&T CORP. 730      
323-424 0 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 1 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 2 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 3 Los Angeles: DA 13 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-03-13   
323-424 4 Los Angeles: DA 13 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-04-13   
323-424 5 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 6 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 7 Los Angeles: DA 13 CA ANHMCA01XEY  516C AT&T CORP. 730   2006-05-15   
323-424 8 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-424 9 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-425 A Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-425 0 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-06-23   
323-425 1 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-06-23   
323-425 2 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-06-23   
323-425 3 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-03-07   
323-425 4 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-03-07   
323-425 5 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-07-05   
323-425 6 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2018-11-04   
323-425 7 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-07-24   
323-425 8 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-05-10   
323-425 9 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-07-28   
323-426 A Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-426 0 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-08-28   
323-426 1 Los Angeles: DA 02 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-09-12   
323-426 2 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-30   
323-426 3 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-30   
323-426 4 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-30   
323-426 5 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-30   
323-426 6 Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-12-11   

<< 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 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.