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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-688 A Lake Charles LA LFYTLAMAXAZ  965H FRACTEL, LLC 488      
337-688 0 Lake Charles LA   5562 METROPCS, INC. 488   2021-01-04   
337-688 1 Lake Charles LA   5562 METROPCS, INC. 488   2021-05-21   
337-688 2 Lake Charles LA   5562 METROPCS, INC. 488   2021-05-21   
337-688 3 Lake Charles LA   5562 METROPCS, INC. 488   2021-05-21   
337-688 4 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2022-01-20   
337-688 5 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2022-01-20   
337-688 6 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2022-01-20   
337-688 7 Lake Charles LA   150C VOICESTREAM GSM I, LLC 488   2022-01-20   
337-688 8 Lake Charles LA   965H FRACTEL, LLC 488   2020-02-11   
337-688 9 Lake Charles LA   5562 METROPCS, INC. 488   2021-05-21   

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

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