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: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-471 A Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-471 0 Redondo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-10-07   
424-471 1 Redondo CA   026K BARR TELL USA, LLC 730   2022-06-08   
424-471 2 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-09-09   
424-471 3 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-09-09   
424-471 4 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2022-08-13   
424-471 5 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2022-08-13   
424-471 6 Redondo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-06-19   
424-471 7 Redondo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-03-19   
424-471 8 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-02-28   
424-471 9 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-02-28   

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

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