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: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-660 A Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 0 Lake Charles LA ABVLLACT0MD  4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2016-06-03   
337-660 1 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 2 Lake Charles LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2013-10-19   
337-660 3 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 4 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 5 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 6 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 7 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 8 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-660 9 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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