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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
323-591 A Los Angeles: DA 13 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730     map
323-591 0 Los Angeles: DA 13 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730 2013-08-22     
323-591 1 Los Angeles: DA 13 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730 2013-10-15     
323-591 2 Los Angeles: DA 13 CA   649C NEUTRAL TANDEM-CALIFORNIA, LLC - CA 730 2013-12-22     
323-591 3 Los Angeles: DA 13 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730 2014-02-03     
323-591 4 Los Angeles: DA 13 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730 2014-05-12     
323-591 6 Los Angeles: DA 13 CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730 2014-02-03     
323-591 7 Los Angeles: DA 13 CA   7575 CENTURYLINK COMMUNICATIONS LLC 730 2014-04-09     
323-591 8 Los Angeles: DA 13 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730 2014-05-12     
323-591 9 Los Angeles: DA 13 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730 2014-05-12     

Last updated: Sat, 09 Jun 2018 13:21:19 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.