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: 822

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-822 A Lafayette LA   478J NUSO, LLC 488   2025-03-22   
337-822 1 Lafayette LA   478J NUSO, LLC 488   2025-03-22   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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