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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Rufe, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-604 A OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-876 A RUFEOKXARS0  2032 VALLIANT TEL. CO. 536      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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