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 01, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
213-533 0   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 1   9740 PACIFIC BELL 730      
213-533 2   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 3   9740 PACIFIC BELL 730      
213-533 4   9740 PACIFIC BELL 730      
213-533 5   9740 PACIFIC BELL 730      
213-533 6   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 7   9740 PACIFIC BELL 730      
213-533 8   9740 PACIFIC BELL 730      
213-533 9   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 A   829J PAETEC ITEL, LLC 730      
213-534 0   829J PAETEC ITEL, LLC 730      
213-534 1   829J PAETEC ITEL, LLC 730      
213-534 2   829J PAETEC ITEL, LLC 730      
213-534 3   829J PAETEC ITEL, LLC 730      
213-534 4   829J PAETEC ITEL, LLC 730      
213-534 5   829J PAETEC ITEL, LLC 730      
213-534 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 9   829J PAETEC ITEL, LLC 730      
213-537 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
213-537 0   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-11-11   
213-537 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2004-11-26   
213-537 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 9   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 A LSANCA03DS2  9740 PACIFIC BELL 730      
213-538 0   9740 PACIFIC BELL 730      
213-538 1   9740 PACIFIC BELL 730      
213-538 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 3   9740 PACIFIC BELL 730      
213-538 4   9740 PACIFIC BELL 730      
213-538 5   9740 PACIFIC BELL 730      
213-538 6   9740 PACIFIC BELL 730      
213-538 7   9740 PACIFIC BELL 730      
213-538 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 9   9740 PACIFIC BELL 730      
213-539 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
213-539 0   6529 T-MOBILE USA, INC. 730   2021-11-20   
213-539 1   6529 T-MOBILE USA, INC. 730   2021-11-20   
213-539 2   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 3   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 4   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 5   649C ONVOY, LLC - CA 730   2021-11-19   

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

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