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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-744 A Fairview OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-744 0 Fairview OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-744 1 Fairview OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2008-02-20   
580-744 2 Fairview OK OKCYOKCEXBZ  073H TELNYX LLC 536   2019-09-28   
580-744 4 Fairview OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2018-03-05   
580-744 7 Fairview OK OKCYOKCEXVZ  506J TWILIO INTERNATIONAL, INC. 536   2021-07-16   
580-744 9 Fairview OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2015-07-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.