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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-577 A Inglewood CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-577 0 Inglewood CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-08   
424-577 1 Inglewood CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-08   
424-577 2 Inglewood CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-08-08   
424-577 3 Inglewood CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-577 4 Inglewood CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-577 5 Inglewood CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-577 6 Inglewood CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-577 7 Inglewood CA   965H FRACTEL, LLC 730   2020-07-26   
424-577 8 Inglewood CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2020-08-10   
424-577 9 Inglewood CA   939H COMMIO, LLC 730   2021-10-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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