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: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-722 A Lake Charles LA LFYTLAMAXIZ  516J TON80 COMMUNICATIONS, LLC 488      
337-722 0 Lake Charles LA LFYTLA364MD  939H COMMIO, LLC 488   2022-07-22   
337-722 1 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2024-02-22   
337-722 2 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2022-07-23   
337-722 3 Lake Charles LA LFYTLAMAXIZ  516J TON80 COMMUNICATIONS, LLC 488   2022-04-02   
337-722 4 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2022-07-23   
337-722 5 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2022-07-23   
337-722 6 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2024-02-22   
337-722 7 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2024-02-22   
337-722 8 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-09-09   
337-722 9 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-09-09   

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

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