Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 596

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-596 A Grambling LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486      
318-596 0 Grambling LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2005-01-07   
318-596 1 Grambling LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2015-06-11   
318-596 3 Grambling LA   612K CSC VOICE, LLC 486   2007-03-16   
318-596 5 Grambling LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-03-31   
318-596 7 Grambling LA SHPTLAMA19Z  145J TERRA NOVA TELECOM INC. 486   2024-10-30   
318-596 8 Grambling LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-03-31   
318-596 9 Grambling LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2008-12-18   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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