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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-601 A Williamsport PA WLPTPAWIYMD  7513 CTSI, INC. - PA 232      
570-601 0 Williamsport PA   7513 CTSI, INC. - PA 232      
570-601 1 Williamsport PA   7513 CTSI, INC. - PA 232      
570-601 2 Williamsport PA   6921 LIMITLESS MOBILE, LLC 232   2008-10-29   
570-601 3 Williamsport PA   7513 CTSI, INC. - PA 232      
570-601 4 Williamsport PA   318J COMCAST IP PHONE, LLC 232   2007-05-18   
570-601 5 Williamsport PA   7513 CTSI, INC. - PA 232   2008-08-03   
570-601 6 Williamsport PA   7513 CTSI, INC. - PA 232      
570-601 7 Williamsport PA   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 232   2009-12-01   
570-601 8 Williamsport PA   7513 CTSI, INC. - PA 232   2006-10-21   
570-601 9 Williamsport PA   7513 CTSI, INC. - PA 232      

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

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