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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-370 A Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-370 0 Jennings LA LFYTLAMAXVY  150C VOICESTREAM GSM I, LLC 488      
337-370 1 Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-370 2 Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-370 3 Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-370 6 Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      
337-370 7 Jennings LA   150C VOICESTREAM GSM I, LLC 488   2025-11-04   
337-370 9 Jennings LA LKCHLADTXDX  5562 METROPCS, INC. 488      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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