Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Los Angeles: DA 05, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-488 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-26   
323-488 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-01-10   
323-488 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-01-26   
323-488 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-10-03   
323-488 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-01-26   
323-510 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-510 0   6529 T-MOBILE USA, INC. 730   2008-01-28   
323-510 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-27   
323-510 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-510 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-03   
323-510 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-03   
323-510 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
323-510 9   6529 T-MOBILE USA, INC. 730   2016-09-28   
323-518 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-518 0   993B CURATEL, LLC - CA 730   2009-08-24   
323-518 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-02-04   
323-518 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-518 3   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-518 4   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-518 5   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-518 6   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-518 7   6529 T-MOBILE USA, INC. 730   2007-05-01   
323-518 8   6529 T-MOBILE USA, INC. 730   2007-05-01   
323-518 9   6529 T-MOBILE USA, INC. 730   2007-05-01   
323-526 A LSANCA34DS0  9740 PACIFIC BELL 730      
323-526 0   9740 PACIFIC BELL 730      
323-526 1   9740 PACIFIC BELL 730      
323-526 2   9740 PACIFIC BELL 730      
323-526 3   9740 PACIFIC BELL 730      
323-526 4   9740 PACIFIC BELL 730      
323-526 5   9740 PACIFIC BELL 730      
323-526 6   9740 PACIFIC BELL 730      
323-526 7   9740 PACIFIC BELL 730      
323-526 8   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-03-23   
323-526 9   9740 PACIFIC BELL 730      
323-604 A LSANCA34DS0  9740 PACIFIC BELL 730      
323-604 0   9740 PACIFIC BELL 730      
323-604 1   649C ONVOY, LLC - CA 730   2005-09-29   
323-604 2   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-604 3   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-604 4   6529 T-MOBILE USA, INC. 730   2016-11-12   
323-604 5   624H ONVOY SPECTRUM, LLC 730   2021-04-21   
323-604 6   6529 T-MOBILE USA, INC. 730   2016-09-28   
323-604 7   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-604 8   6529 T-MOBILE USA, INC. 730   2007-05-30   
323-604 9   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
323-647 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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