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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-516 A Lomita CA   6529 T-MOBILE USA, INC. 730   2024-11-09   
424-516 0 Lomita CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-516 1 Lomita CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-516 7 Lomita CA   6529 T-MOBILE USA, INC. 730      
424-516 8 Lomita CA   6529 T-MOBILE USA, INC. 730      
424-516 9 Lomita CA   6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.