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.

Sheffield, PA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
814-727 A ALNAPAACDS0  3806 CORE COMMUNICATIONS, INC. - PA 230      
814-727 0   3806 CORE COMMUNICATIONS, INC. - PA 230   2009-05-15   
814-727 1   002F BANDWIDTH.COM CLEC, LLC - PA 230   2018-05-25   
814-727 2   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 3   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 4   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 5   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 6   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 7   145J TERRA NOVA TELECOM INC. 230   2025-07-19   
814-727 8   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-727 9   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-10-26   
814-851 A SHFDPAXSPS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-851 2   547E ONVOY, LLC - PA 230   2021-02-25   
814-851 3   547E ONVOY, LLC - PA 230   2021-02-25   
814-851 4   547E ONVOY, LLC - PA 230   2021-07-23   
814-851 5   547E ONVOY, LLC - PA 230   2020-10-29   
814-851 9   0176 WINDSTREAM PENNSYLVANIA, INC. 230   2016-09-30   
814-968 A SHFDPAXSDS0  0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-968 0   0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-968 1   073H TELNYX LLC 230   2021-01-31   
814-968 3   0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-968 4   0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-968 5   0176 WINDSTREAM PENNSYLVANIA, INC. 230      
814-968 8   624H ONVOY SPECTRUM, LLC 230   2023-08-21   
814-968 9   0176 WINDSTREAM PENNSYLVANIA, INC. 230      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.