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: 369

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-369 A Del Mar CA SNDGCA07DS1  7421 AT&T - LOCAL 732      
858-369 0 Del Mar CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 732   2013-07-11   
858-369 1 Del Mar CA   649C ONVOY, LLC - CA 732   2021-07-22   
858-369 2 Del Mar CA   7421 AT&T - LOCAL 732      
858-369 3 Del Mar CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-369 4 Del Mar CA   7421 AT&T - LOCAL 732      
858-369 5 Del Mar CA   649C ONVOY, LLC - CA 732   2006-11-06   
858-369 6 Del Mar CA   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732   2014-05-05   
858-369 7 Del Mar CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2008-11-17   
858-369 8 Del Mar CA   9740 PACIFIC BELL 732   2002-11-11   
858-369 9 Del Mar CA   649C ONVOY, LLC - CA 732   2023-08-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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