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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-677 A Lake Charles LA LFYTLAMAXAZ  965H FRACTEL, LLC 488      
337-677 0 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2020-03-09   
337-677 1 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2020-03-09   
337-677 2 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2021-11-06   
337-677 3 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2021-11-06   
337-677 4 Lake Charles LA LKCHLADTXDX  150C VOICESTREAM GSM I, LLC 488   2022-01-20   
337-677 5 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2021-11-06   
337-677 6 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2021-11-06   
337-677 7 Lake Charles LA LFYTLAMAXAZ  965H FRACTEL, LLC 488   2019-11-07   
337-677 8 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2020-07-20   
337-677 9 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2020-07-20   

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

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