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: BTRGLAXHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-214 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      
225-215 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      
225-330 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      
225-374 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      
225-490 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      
225-526 A Baton Rouge LA 7637 CENTURYLINK COMMUNICATIONS LLC - LA 492      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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