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.

Smith Point, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
409-355 A SMPTTXXARS0  2153 TEXAS WINDSTREAM, LLC 562      
409-355 0 SMPTTXXARS0  2153 TEXAS WINDSTREAM, LLC 562      
409-355 1 SMPTTXXARP0  2153 TEXAS WINDSTREAM, LLC 562      
409-355 2 SMPTTXXARS0  2153 TEXAS WINDSTREAM, LLC 562      
409-355 5   145J TERRA NOVA TELECOM INC. 562   2025-08-16   
409-355 9 SMPTTXXARS0  2153 TEXAS WINDSTREAM, LLC 562      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.