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: SYMRTXXAPS0

Remotes:

Switch Switch name Switch type
BNJMTXXARP0  BENJAMIN  RP 
MGRGTXXARP0  MEGARGEL  RP 
THRKTXXARP0  THROCKMORTON  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-317 A Seymour TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      
940-317 9 Seymour TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548   2016-09-08   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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