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.

Gore, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-225 A TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
539-225 2 TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2017-12-04   
539-225 5   145J TERRA NOVA TELECOM INC. 538   2025-07-17   
918-489 A GOREOKXADS0  1985 CROSS TEL. CO. 538      

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

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