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 10, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
213-985 5 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-03-18   
213-985 6 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-03-18   
213-985 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-06-04   
213-985 8 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-03-18   
213-985 9 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2011-04-16   
213-989 A LSANCA06DS0  9740 PACIFIC BELL 730      

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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