Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 484

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-484 A Lafayette LA LFYTLA36BMD  732J NUSO, LLC 488      
337-484 1 Lafayette LA LFYULA09DS0  9002 LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 488   2014-07-31   
337-484 2 Lafayette LA LFYTLA36BMD  732J NUSO, LLC 488   2023-10-23   
337-484 3 Lafayette LA LFYTLAATX7X  516C AT&T CORP. 488   2011-06-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.