Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
985-771 A Slidell LA NWORLAMODS1  490      
985-771 4 Slidell LA   490      
985-819 1 Mandeville LA   490      
985-819 3 Mandeville LA   490      

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

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