Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-450 A Los Angeles: DA 14 CA POMNCAAADS0  8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-450 0 Los Angeles: DA 14 CA   8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-450 1 Los Angeles: DA 14 CA   8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-450 2 Los Angeles: DA 14 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-06-27   
323-450 3 Los Angeles: DA 14 CA   7453 U.S. TELEPACIFIC CORP. - CA 730      
323-450 4 Los Angeles: DA 14 CA   7453 U.S. TELEPACIFIC CORP. - CA 730      
323-450 5 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2007-07-23   
323-450 6 Los Angeles: DA 14 CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-08-26   
323-450 7 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-01-27   
323-450 8 Los Angeles: DA 14 CA   8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-450 9 Los Angeles: DA 14 CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2010-10-01   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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