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.

NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 464

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-464 A Cyril OK CYRLOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-464 0 Cyril OK CYRLOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-464 2 Cyril OK CYRLOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-464 3 Cyril OK CYRLOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-464 6 Cyril OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.