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: GNVLSCMCXQX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
828-512 A Tryon NC 490J DISH WIRELESS, LLC 430      
864-799 A Clarks Hill SC 490J DISH WIRELESS, LLC 430      
864-951 A Blacksburg SC 490J DISH WIRELESS, LLC 430   2024-07-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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