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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-431 A Many LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-431 0 Many LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2014-03-15   
318-431 1 Many LA   612K CSC VOICE, LLC 486   2014-03-03   
318-431 3 Many LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2015-09-10   
318-431 4 Many LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2018-05-28   
318-431 5 Many LA SHPTLAMAXMZ  516C AT&T CORP. 486   2011-11-10   
318-431 6 Many LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-27   
318-431 8 Many LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-27   
318-431 9 Many LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2009-08-06   

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

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