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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-408 A Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-408 0 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-29   
424-408 1 Redondo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-12-12   
424-408 2 Redondo CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-408 3 Redondo CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-408 4 Redondo CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-408 5 Redondo CA   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2018-10-31   
424-408 6 Redondo CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2018-10-08   
424-408 7 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-11   
424-408 8 Redondo CA   649C ONVOY, LLC - CA 730   2019-04-26   
424-408 9 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-10-11   

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

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