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.

Oak Hill, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-420 A OKHLOKXADS0  2017 PINE TEL. CO. 536      
580-702 A OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 0 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 1 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 2 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 3 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 4 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-702 9 OKCYOKMTBMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.