Local Calling Guide

Area code/prefix search

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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-283 A La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732      
858-283 0 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-11-09   
858-283 1 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-11-09   
858-283 2 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-11-09   
858-283 3 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2016-11-19   
858-283 4 La Jolla CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-03-17   
858-283 5 La Jolla CA SNDGCA0255Z  073H TELNYX LLC 732   2017-03-24   
858-283 6 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-08-24   
858-283 7 La Jolla CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2024-04-30   
858-283 8 La Jolla CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2017-03-25   
858-283 9 La Jolla CA SNDGCA51CM3  6010 NEW CINGULAR WIRELESS PCS, LLC 732   2017-08-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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