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 03, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-975 7 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2015-06-08   
323-975 8 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2015-06-08   
323-975 9 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2015-06-08   
323-982 A LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 0 LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 1 LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 2 LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 3 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-04-05   
323-982 4 LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 5 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-06-26   
323-982 6 LSANCA56DS0  9740 PACIFIC BELL 730      
323-982 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-15   
323-982 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-15   
323-982 9 LSANCA56DS0  9740 PACIFIC BELL 730      
323-999 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-999 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-999 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-31   
323-999 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-22   
323-999 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-06-11   
323-999 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-10   
323-999 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-15   
323-999 6 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-08   
323-999 7 ANHMCA01XEY  516C AT&T CORP. 730   2006-06-30   
323-999 8 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2007-05-02   
323-999 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-05-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.