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: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-687 A Poway CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732      
858-687 0 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2023-10-16   
858-687 1 Poway CA SNDGCA0260Z  624H ONVOY SPECTRUM, LLC 732   2024-01-04   
858-687 2 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-15   
858-687 3 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-15   
858-687 4 Poway CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-08-15   
858-687 5 Poway CA SNDGCA0253Z  197D VONAGE AMERICA LLC 732   2022-07-18   
858-687 6 Poway CA SNDGCA0266Z  939H COMMIO, LLC 732   2024-01-29   
858-687 7 Poway CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732   2022-03-22   
858-687 8 Poway CA SNDGCA0266Z  939H COMMIO, LLC 732   2024-01-29   
858-687 9 Poway CA SNDGCA0266Z  939H COMMIO, LLC 732   2024-01-29   

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

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