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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-377 A Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-377 0 Lake Charles LA   153F BANDWIDTH.COM CLEC, LLC - LA 488   2010-09-11   
337-377 1 Lake Charles LA   5562 METROPCS, INC. 488   2005-12-19   
337-377 2 Lake Charles LA   5562 METROPCS, INC. 488   2007-09-27   
337-377 3 Lake Charles LA   5562 METROPCS, INC. 488   2005-01-07   
337-377 4 Lake Charles LA   5562 METROPCS, INC. 488   2007-09-27   
337-377 5 Lake Charles LA   5562 METROPCS, INC. 488   2005-04-25   
337-377 6 Lake Charles LA   5562 METROPCS, INC. 488   2005-03-14   
337-377 7 Lake Charles LA   5562 METROPCS, INC. 488   2005-01-07   
337-377 8 Lake Charles LA   5562 METROPCS, INC. 488   2005-02-28   
337-377 9 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2005-02-28   

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

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