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: 720

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-720 A Ulster PA WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232      
570-720 0 Ulster PA WLBRPA04GT0  3806 CORE COMMUNICATIONS, INC. - PA 232   2009-05-17   
570-720 1 Ulster PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-720 2 Ulster PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-720 3 Ulster PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2018-06-14   
570-720 4 Ulster PA DLLSPAXD6MD  624H ONVOY SPECTRUM, LLC 232   2023-11-27   
570-720 6 Ulster PA SCTNPASCXFY  547E ONVOY, LLC - PA 232   2022-07-29   
570-720 7 Ulster PA SCTNPASCXFY  547E ONVOY, LLC - PA 232   2019-12-18   
570-720 8 Ulster PA DLLSPAXDGMD  547E ONVOY, LLC - PA 232   2023-10-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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