Local Calling Guide

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NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-597 A Marksville LA MKVLLAHMDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-597 0 Marksville LA SHPTLACT0MD  939H COMMIO, LLC 486   2022-10-30   
318-597 1 Marksville LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2016-01-27   
318-597 2 Marksville LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2013-04-21   
318-597 4 Marksville LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2025-01-22   
318-597 5 Marksville LA SHPTLAMAXMZ  516C AT&T CORP. 486   2011-11-10   
318-597 6 Marksville LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2022-09-26   
318-597 7 Marksville LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2022-09-26   
318-597 8 Marksville LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2013-04-21   
318-597 9 Marksville LA MKVLLAHMDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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