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: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-453 A Lafayette LA   749E ONVOY, LLC - LA 488   2025-04-08   
337-453 0 Lafayette LA   749E ONVOY, LLC - LA 488   2008-11-09   
337-453 1 Lafayette LA   749E ONVOY, LLC - LA 488   2025-04-09   
337-453 2 Lafayette LA   749E ONVOY, LLC - LA 488   2025-04-09   
337-453 3 Lafayette LA   749E ONVOY, LLC - LA 488   2025-04-09   
337-453 5 Lafayette LA   749E ONVOY, LLC - LA 488   2026-01-10   
337-453 6 Lafayette LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2012-10-24   
337-453 7 Lafayette LA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2012-10-24   
337-453 8 Lafayette LA   749E ONVOY, LLC - LA 488   2025-12-14   
337-453 9 Lafayette LA   749E ONVOY, LLC - LA 488   2026-01-10   

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

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