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.

Valley Lodge EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-346 A VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-346 0 VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-346 1 VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-346 2 VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-346 3 HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-11-28   
281-346 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-346 5 HSTNTX279MD  7399 WESTEL, INC. - TX 560   2009-07-12   
281-346 6 VLLDTXVLDS0  9533 SOUTHWESTERN BELL 560      
281-346 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-03-25   
281-346 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-346 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2013-02-03   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.