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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-405 A Lake Charles LA LFYTLAMAXRZ  829J PAETEC ITEL, LLC 488   2024-12-11   
337-405 0 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 1 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 2 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 3 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 4 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 5 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 6 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 7 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-405 8 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2004-01-19   
337-405 9 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2003-12-31   

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

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