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.

Cameron, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-213 A TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538      
539-213 2 TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2019-09-15   
539-213 3 TULSOKTB02Z  490J DISH WIRELESS, LLC 538   2022-09-17   
539-213 7 TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-06-08   
918-654 A CMRNOKXARS1  2011 OKLAHOMA WINDSTREAM, INC. 538      

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

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