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: 989

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-989 A Los Angeles: DA 11 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-989 0 Los Angeles: DA 11 CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
323-989 1 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-22   
323-989 2 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-06-09   
323-989 3 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-06-09   
323-989 4 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-06-09   
323-989 5 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-06-09   
323-989 6 Los Angeles: DA 11 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-18   
323-989 7 Los Angeles: DA 11 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-09-03   
323-989 8 Los Angeles: DA 11 CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-05-25   
323-989 9 Los Angeles: DA 11 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-01-21   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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