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.

Wister, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-785 A TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538      
539-785 1 TULSOKTBXYY  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 538   2024-04-15   
539-785 2 TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2019-12-09   
539-785 7 TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-06-09   
918-655 A WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 0 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 1 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 2 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 3 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 5 WSTROKXARP0  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 6 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 7 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 8 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      
918-655 9 WSTROKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.