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: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-351 A Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-351 0 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-10-24   
424-351 1 Inglewood CA   649C ONVOY, LLC - CA 730   2015-06-13   
424-351 2 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-09-04   
424-351 3 Inglewood CA   649C ONVOY, LLC - CA 730   2015-06-13   
424-351 4 Inglewood CA   649C ONVOY, LLC - CA 730   2014-12-03   
424-351 5 Inglewood CA   6529 T-MOBILE USA, INC. 730   2014-11-01   
424-351 6 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-10-11   
424-351 7 Inglewood CA   649C ONVOY, LLC - CA 730   2014-12-03   
424-351 8 Inglewood CA   516C AT&T CORP. 730   2014-10-21   
424-351 9 Inglewood CA   649C ONVOY, LLC - CA 730   2014-12-03   

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

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