Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Duke Center, PA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
814-966 A DKCTPAXD0MD  0195 ARMSTRONG TEL. CO. NORTH 230      
814-978 A ALNAPAACDS0  3806 CORE COMMUNICATIONS, INC. - PA 230      
814-978 0 ALNAPANSGT0  3806 CORE COMMUNICATIONS, INC. - PA 230   2009-05-10   
814-978 1   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-10   
814-978 2   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-10   
814-978 3   3806 CORE COMMUNICATIONS, INC. - PA 230   2018-06-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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