Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 8839 ADVANCED TEL., INC. - LA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
985-398 1 Leeville (Lafourche) LA NWORLAMAX6Z  490   2013-05-12   
985-405 A Slidell LA NWORLAMAX6Z  490      
985-492 6 Thibodaux LA NWORLAMAX6Z  490   2013-09-20   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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