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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-678 A El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-678 0 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-678 1 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-678 2 El Segundo CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-02-04   
424-678 3 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-12-05   
424-678 4 El Segundo CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-12-05   
424-678 5 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-06-04   
424-678 6 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-06-04   
424-678 7 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-06-04   
424-678 8 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-06-04   
424-678 9 El Segundo CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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