Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-870 A Troy PA WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232      
570-870 0 Troy PA WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232   2009-05-17   
570-870 1 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-870 2 Troy PA DLLSPAXD8MD  091H NORTH PENN LONG DISTANCE CORPORATION 232   2015-08-10   
570-870 3 Troy PA SRBGPASR1MD  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 232   2013-09-02   
570-870 4 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-870 5 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-870 6 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-10-26   
570-870 7 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-10-26   
570-870 8 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-10-26   
570-870 9 Troy PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-10-26   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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