Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-518 A West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2024-11-22   
424-518 0 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2024-11-22   
424-518 1 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-19   
424-518 2 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-23   
424-518 3 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-23   
424-518 9 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-19   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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