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: 724

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-724 A Chataignier LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-724 0 Chataignier LA   792K CHARTER IP ENABLED SERVICES, LLC 488   2017-07-23   
337-724 6 Chataignier LA   508J CENTURYLINK COMMUNICATIONS, LLC 488   2014-09-12   
337-724 7 Chataignier LA   516J TON80 COMMUNICATIONS, LLC 488   2022-04-11   
337-724 8 Chataignier LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2022-08-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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