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.

Buffalo Valley, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-258 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2021-11-15   
918-522 A BFVYOKXADS0  2014 OKLAHOMA WESTERN TEL. CO. 538      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.