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: OLTWNCXAPS0

Remotes:

Switch Switch name Switch type
KINGNCXARP0  KING  RP 
LWVLNCXARP0  LEWISVILLE  RP 
OLTWNCXARP0  WINSTON SALEM  RSS 
RRHLNCXARP0  RURAL HALL  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-815 A Oldtown NC 0476 WINDSTREAM NORTH CAROLINA, INC. 424      
336-815 3 Oldtown NC 0476 WINDSTREAM NORTH CAROLINA, INC. 424   2011-11-03   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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