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.

Wartburg, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-346 A WABGTNXARS0  0565 HIGHLAND TEL. COOP, INC. 474      
423-632 A KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
423-632 1 KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
423-632 2 KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
423-632 7 KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.