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: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-903 A Lafayette LA   700J WAVENATION, LLC 488   2026-04-24   
337-903 0 Lafayette LA   700J WAVENATION, LLC 488   2026-04-24   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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