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: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 372

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-372 A Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-12-25   
323-372 0 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 1 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 2 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 3 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 4 Los Angeles: DA 14 CA   6529 T-MOBILE USA, INC. 730   2021-03-21   
323-372 5 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 6 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 7 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 8 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-372 9 Los Angeles: DA 14 CA   981E BANDWIDTH.COM CLEC, LLC - CA 730      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.