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: 768

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-768 A La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732      
858-768 0 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2007-10-08   
858-768 1 La Jolla CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2008-05-06   
858-768 2 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2007-09-19   
858-768 3 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 4 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 5 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 6 La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2006-11-22   
858-768 7 La Jolla CA SNDKCA882MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 8 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-05-28   
858-768 9 La Jolla CA SNDJCA05DS5  258E YMAX COMMUNICATIONS CORP. - CA 732   2009-09-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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