Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-502 A Lake Charles LA LFYTLAMAXRZ  829J PAETEC ITEL, LLC 488   2024-12-11   
337-502 0 Lake Charles LA   181D HUNT TELECOMMUNICATIONS, LLC - LA 488   2007-09-01   
337-502 1 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2007-09-14   
337-502 3 Lake Charles LA   145J TERRA NOVA TELECOM INC. 488   2022-11-12   
337-502 4 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-502 5 Lake Charles LA   829J PAETEC ITEL, LLC 488   2006-01-27   
337-502 6 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2007-09-14   
337-502 8 Lake Charles LA   153F BANDWIDTH.COM CLEC, LLC - LA 488   2008-12-08   
337-502 9 Lake Charles LA   153F BANDWIDTH.COM CLEC, LLC - LA 488   2008-12-08   

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

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