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.

Los Angeles: DA 14, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-504 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-09-08   
323-504 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-09-08   
323-504 6 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2016-07-31   
323-504 7   321J HD CARRIER LLC 730   2016-08-18   
323-504 8 LSANCARCY1X  321J HD CARRIER LLC 730   2016-08-18   
323-504 9 LSANCARCY1X  321J HD CARRIER LLC 730   2016-08-18   
323-512 A LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 0 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 1 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-07-23   
323-512 2 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 3 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 4 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 5 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 6 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 7 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 8 LSANCA29DS0  9740 PACIFIC BELL 730      
323-512 9   649C ONVOY, LLC - CA 730   2026-02-06   
323-520 A LSANCA0398T  9740 PACIFIC BELL 730      
323-533 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-536 A SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
323-536 0 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-01-31   
323-536 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-23   
323-536 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-23   
323-536 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-01-11   
323-536 4 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2013-11-23   
323-536 5 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2013-11-23   
323-536 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2013-10-16   
323-536 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2013-10-16   
323-536 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-08-25   
323-536 9 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
323-572 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-572 0 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-572 1 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2010-05-29   
323-572 2 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2010-05-29   
323-572 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-572 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-572 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-572 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-572 7 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-572 8 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-572 9 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-22   
323-573 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-574 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-578 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-580 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-580 0 LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-580 1 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-580 2 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-580 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   
323-580 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-09-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.