Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-451 A San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-451 0 San Pedro CA   624H ONVOY SPECTRUM, LLC 730   2022-08-13   
424-451 1 San Pedro CA   553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-02   
424-451 2 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 3 San Pedro CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-06-19   
424-451 4 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 5 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 6 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 7 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 8 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   
424-451 9 San Pedro CA   939H COMMIO, LLC 730   2021-10-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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