Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-713 A La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-713 0 La Jolla CA   649C ONVOY, LLC - CA 732   2026-06-22   
858-713 1 La Jolla CA   649C ONVOY, LLC - CA 732   2026-06-22   
858-713 3 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-713 5 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-713 9 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      

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

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