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
323-330 A Los Angeles: DA 13 CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730     map
323-330 0 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-330 1 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-330 2 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-330 3 Los Angeles: DA 13 CA   899D METROPCS NETWORKS, LLC 730 2017-10-14     
323-330 4 Los Angeles: DA 13 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730 2013-05-25     
323-330 5 Los Angeles: DA 13 CA   6664 SPRINT SPECTRUM L.P. 730 2003-12-07     
323-330 6 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-330 7 Los Angeles: DA 13 CA   6529 T-MOBILE USA, INC. 730 2015-03-13     
323-330 8 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-330 9 Los Angeles: DA 13 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.