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: 808

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-808 A National City CA SNDGCA0263Z  965H FRACTEL, LLC 732      
858-808 1 National City CA   649C ONVOY, LLC - CA 732   2022-08-26   
858-808 2 National City CA   649C ONVOY, LLC - CA 732   2022-08-26   
858-808 3 National City CA   649C ONVOY, LLC - CA 732   2023-03-02   
858-808 4 National City CA   649C ONVOY, LLC - CA 732   2023-03-02   
858-808 5 National City CA   649C ONVOY, LLC - CA 732   2023-03-02   
858-808 6 National City CA   624H ONVOY SPECTRUM, LLC 732   2022-05-29   
858-808 7 National City CA   624H ONVOY SPECTRUM, LLC 732   2022-05-29   
858-808 8 National City CA   965H FRACTEL, LLC 732   2022-04-21   
858-808 9 National City CA   649C ONVOY, LLC - CA 732   2023-03-02   

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

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