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 08, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-991 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-05-22   
323-991 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-05-22   
323-991 4 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2018-09-20   
323-991 5 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-11-02   
323-991 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-05-31   
323-991 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   
323-991 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   
323-991 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   

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

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