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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-404 A Redondo CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
424-404 0 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-09-09   
424-404 1 Redondo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2017-08-21   
424-404 2 Redondo CA   899D METROPCS NETWORKS, LLC 730   2017-09-10   
424-404 3 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-10-24   
424-404 4 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2022-05-18   
424-404 5 Redondo CA   649C ONVOY, LLC - CA 730   2017-11-12   
424-404 6 Redondo CA   649C ONVOY, LLC - CA 730   2017-11-12   
424-404 7 Redondo CA   318J COMCAST IP PHONE, LLC 730   2017-10-20   
424-404 8 Redondo CA   649C ONVOY, LLC - CA 730   2017-11-12   
424-404 9 Redondo CA   649C ONVOY, LLC - CA 730   2017-11-12   

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

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