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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-844 A Hitchcock OK OKCYOKCEXMZ  145J TERRA NOVA TELECOM INC. 536      
580-844 0 Hitchcock OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-844 5 Hitchcock OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-05-28   
580-844 8 Hitchcock OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-06-26   
580-844 9 Hitchcock OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-04-26   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.