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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-438 A Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-438 0 Lake Charles LA LKCHLADTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-438 1 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-438 2 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-438 3 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-438 4 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-438 5 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2019-07-19   
337-438 6 Lake Charles LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2020-11-06   
337-438 7 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2019-09-02   
337-438 8 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2016-12-24   
337-438 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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