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: NWORLAMA96Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
504-518 A New Orleans LA 508J CENTURYLINK COMMUNICATIONS, LLC 490      
985-263 A Patterson LA 508J CENTURYLINK COMMUNICATIONS, LLC 490      
985-272 A Mandeville LA 508J CENTURYLINK COMMUNICATIONS, LLC 490      
985-299 A Napoleonville LA 508J CENTURYLINK COMMUNICATIONS, LLC 490      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.