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: 996

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-996 A Medford OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
580-996 0 Medford OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-22   
580-996 2 Medford OK OKCYOKCEXBZ  073H TELNYX LLC 536   2019-09-28   
580-996 6 Medford OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-05-28   
580-996 9 Medford OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-04-26   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.