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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-576 A Eunice LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-576 0 Eunice LA   515J IP HORIZON LLC 488   2024-04-29   
337-576 1 Eunice LA   150C VOICESTREAM GSM I, LLC 488   2024-08-15   
337-576 2 Eunice LA   749E ONVOY, LLC - LA 488   2023-10-14   
337-576 5 Eunice LA   9002 LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 488   2025-08-14   
337-576 6 Eunice LA   749E ONVOY, LLC - LA 488   2025-03-08   
337-576 8 Eunice LA   749E ONVOY, LLC - LA 488   2025-11-28   

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

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