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: LVLDTXXAPS0

Remotes:

Switch Switch name Switch type
SNDWTXXARP0  SUNDOWN  RP 
WHFCTXXARP0  WHITEFACE  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-442 A Levelland TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544      
806-442 0 Levelland TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544   2010-12-13   

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

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