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: 264

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-264 A Healdton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-264 0 Healdton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-264 1 Healdton OK   6529 T-MOBILE USA, INC. 536   2025-05-02   
580-264 2 Healdton OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-15   
580-264 3 Healdton OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-15   
580-264 4 Healdton OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2019-11-18   
580-264 5 Healdton OK OKCYOKCEXXY  516C AT&T CORP. 536   2011-08-25   
580-264 6 Healdton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536   2014-03-05   
580-264 7 Healdton OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2016-12-05   
580-264 8 Healdton OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2020-07-11   
580-264 9 Healdton OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2008-12-01   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.