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: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-429 A Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2024-03-01   
337-429 0 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488   2023-07-23   
337-429 1 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2024-07-15   
337-429 2 Lake Charles LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2009-06-07   
337-429 4 Lake Charles LA LFYTLAMAX8Z  197D VONAGE AMERICA LLC 488   2024-09-06   
337-429 5 Lake Charles LA LFYTLAATX7X  516C AT&T CORP. 488   2011-06-06   
337-429 8 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-10-07   
337-429 9 Lake Charles LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2023-10-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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