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: NWORLAMLDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
985-759 9 Morgan City LA 181D HUNT TELECOMMUNICATIONS, LLC - LA 490   2004-11-26   
985-771 7 Slidell LA 181D HUNT TELECOMMUNICATIONS, LLC - LA 490   2017-07-31   
985-819 6 Mandeville LA 181D HUNT TELECOMMUNICATIONS, LLC - LA 490      
985-999 5 Napoleonville LA 181D HUNT TELECOMMUNICATIONS, LLC - LA 490   2015-04-21   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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