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: GNVLSCDBX4Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
864-823 A Greenville SC 732J NUSO, LLC 430      
864-823 1 Greenville SC 732J NUSO, LLC 430   2023-06-25   
864-997 0 Greenville SC 732J NUSO, LLC 430   2024-09-30   
864-997 2 Greenville SC 732J NUSO, LLC 430   2024-09-30   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.