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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-203 A Lomita CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730      
424-203 0 Lomita CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-11-19   
424-203 1 Lomita CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2007-07-26   
424-203 2 Lomita CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2007-01-25   
424-203 3 Lomita CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730   2007-03-02   
424-203 4 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-03-26   
424-203 5 Lomita CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2007-03-04   
424-203 6 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-30   
424-203 7 Lomita CA LSANCAGJDS4  7453 U.S. TELEPACIFIC CORP. - CA 730   2007-03-10   
424-203 8 Lomita CA LSANCAJWDS8  7453 U.S. TELEPACIFIC CORP. - CA 730   2007-03-10   
424-203 9 Lomita CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-03-06   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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