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: 814 [Rate centres in NPA 814] [Dial plan for NPA 814]

NXX: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
814-524 A Johnsonburg PA ALNAPANSGT0  3806 CORE COMMUNICATIONS, INC. - PA 230      
814-524 0 Johnsonburg PA   3806 CORE COMMUNICATIONS, INC. - PA 230   2009-05-10   
814-524 1 Johnsonburg PA   547E ONVOY, LLC - PA 230   2017-05-05   
814-524 2 Johnsonburg PA   547E ONVOY, LLC - PA 230   2021-02-25   
814-524 3 Johnsonburg PA   547E ONVOY, LLC - PA 230   2020-05-07   
814-524 4 Johnsonburg PA   547E ONVOY, LLC - PA 230   2020-05-07   
814-524 5 Johnsonburg PA   547E ONVOY, LLC - PA 230   2020-05-07   
814-524 6 Johnsonburg PA   547E ONVOY, LLC - PA 230   2021-02-25   
814-524 7 Johnsonburg PA   508J CENTURYLINK COMMUNICATIONS, LLC 230   2015-04-16   
814-524 8 Johnsonburg PA   624H ONVOY SPECTRUM, LLC 230   2021-05-14   
814-524 9 Johnsonburg PA   073H TELNYX LLC 230   2021-01-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.