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.

Switch: JCVLFLCLY4X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
386-376 A Pomona Park FL 515J IP HORIZON LLC 45204   2024-07-14   
904-331 A Green Cove Springs FL 515J IP HORIZON LLC 45204   2024-07-14   
904-650 A Jacksonville FL 515J IP HORIZON LLC 45204      
904-709 A Ponte Vedra Beach FL 515J IP HORIZON LLC 45204      
904-734 A Middleburg FL 515J IP HORIZON LLC 45204      
904-740 A Maxville FL 515J IP HORIZON LLC 45204      
904-912 A Maxville FL 515J IP HORIZON LLC 45204   2024-07-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.