Local Calling Guide

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NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-423 A Leesville (Vernon) LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-423 0 Leesville (Vernon) LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-423 1 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2009-03-20   
337-423 2 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2013-07-11   
337-423 3 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-04-06   
337-423 4 Leesville (Vernon) LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488   2014-04-11   
337-423 5 Leesville (Vernon) LA LFYTLAATX7X  516C AT&T CORP. 488   2011-06-06   
337-423 6 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2009-02-12   
337-423 7 Leesville (Vernon) LA   145J TERRA NOVA TELECOM INC. 488   2025-02-14   

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

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