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.
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Nashoba, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-259 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-755 A NSHBOKXADS0  2014 OKLAHOMA WESTERN TEL. CO. 538      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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