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.

Switch: LFYTLA36BMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-362 6 Lafayette LA 732J NUSO, LLC 488   2024-09-15   
337-484 A Lafayette LA 732J NUSO, LLC 488      
337-484 2 Lafayette LA 732J NUSO, LLC 488   2023-10-23   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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