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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-409 A Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-409 0 Redondo CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2018-05-07   
424-409 1 Redondo CA   6529 T-MOBILE USA, INC. 730   2019-12-22   
424-409 2 Redondo CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2020-03-20   
424-409 3 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-02-04   
424-409 4 Redondo CA   707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-31   
424-409 5 Redondo CA   649C ONVOY, LLC - CA 730   2019-09-09   
424-409 6 Redondo CA   6529 T-MOBILE USA, INC. 730   2019-09-11   
424-409 7 Redondo CA   6529 T-MOBILE USA, INC. 730   2019-07-20   
424-409 8 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-05-20   
424-409 9 Redondo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2018-05-06   

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

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