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: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-425 A Lake Charles LA LFYTLA36DMD  732J NUSO, LLC 488      
337-425 0 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-425 1 Lake Charles LA   425J CSC WIRELESS, LLC 488   2025-04-25   
337-425 4 Lake Charles LA   6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 488   2025-05-29   
337-425 6 Lake Charles LA   6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 488   2025-05-29   
337-425 8 Lake Charles LA   425J CSC WIRELESS, LLC 488   2025-05-01   
337-425 9 Lake Charles LA LFYTLA36DMD  732J NUSO, LLC 488   2023-11-26   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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