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.

NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-763 A Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-763 0 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-25   
323-763 1 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-25   
323-763 2 Los Angeles: DA 06 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2018-01-30   
323-763 3 Los Angeles: DA 06 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2018-05-05   
323-763 4 Los Angeles: DA 06 CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2018-09-24   
323-763 5 Los Angeles: DA 06 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-12-12   
323-763 6 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-26   
323-763 7 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-26   
323-763 8 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-26   
323-763 9 Los Angeles: DA 06 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2018-01-26   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.