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: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-483 A Lafayette LA LFYTLAMAX2Z  073H TELNYX LLC 488      
337-483 0 Lafayette LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488   2026-05-04   
337-483 1 Lafayette LA LFYTLAMAX2Z  073H TELNYX LLC 488   2020-01-11   
337-483 8 Lafayette LA   749E ONVOY, LLC - LA 488   2026-08-20   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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