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: LARSLAXA2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
985-309 3 Grand Isle LA 749E ONVOY, LLC - LA 490   2026-03-02   
985-356 0 Golden Meadow LA 749E ONVOY, LLC - LA 490   2026-03-02   
985-398 3 Leeville (Lafourche) LA 749E ONVOY, LLC - LA 490   2026-03-02   
985-533 1 Galliano LA 749E ONVOY, LLC - LA 490   2026-03-02   
985-723 A Larose LA 749E ONVOY, LLC - LA 490   2026-02-28   
985-723 0 Larose LA 749E ONVOY, LLC - LA 490   2026-02-28   
985-723 1 Larose LA 749E ONVOY, LLC - LA 490   2026-02-28   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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