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: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-380 A Harrisburg City Zone-1 PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 226   2025-12-26   
223-380 0 Harrisburg City Zone-1 PA   114J EXIANT COMMUNICATIONS LLC 226   2025-12-29   
223-380 6 Harrisburg City Zone-1 PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 226   2025-12-26   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.