Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Union Dale, PA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
570-679 A FRCYPAXFDS1  0191 NORTH EASTERN PENNSYLVANIA TEL. CO. 232      
570-681 A WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232      
570-681 0 WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232   2009-05-17   
570-681 1 LWBGPAXL1MD  6921 LIMITLESS MOBILE, LLC 232   2018-02-12   
570-681 2 SCTNPASCX4Y  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 232   2017-04-30   
570-681 3   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-681 4   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-681 5   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-681 6   145J TERRA NOVA TELECOM INC. 232   2025-08-01   
570-681 8   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 232   2025-09-19   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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