Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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New Castle, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
540-596 A NWCSVAXAPS0  3029 NEW CASTLE TEL. CO. 244      
540-596 1   3029 NEW CASTLE TEL. CO. 244   2013-06-30   
540-596 2   4979 SHENTEL COMMUNICATIONS, LLC. - VA 244   2018-03-11   
540-596 3   624H ONVOY SPECTRUM, LLC 244   2021-12-02   
540-596 4   624H ONVOY SPECTRUM, LLC 244   2021-05-28   
540-596 5   138E ONVOY, LLC - VA 244   2020-08-06   
540-596 6   138E ONVOY, LLC - VA 244   2020-11-03   
540-596 7   138E ONVOY, LLC - VA 244   2020-11-03   
540-596 8   4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2020-11-13   
540-596 9   624H ONVOY SPECTRUM, LLC 244   2021-12-02   
540-864 A NWCSVAXAPS0  3029 NEW CASTLE TEL. CO. 244      
540-864 0   3029 NEW CASTLE TEL. CO. 244      
540-864 3   3029 NEW CASTLE TEL. CO. 244      
540-864 5   3029 NEW CASTLE TEL. CO. 244      
540-864 6   3029 NEW CASTLE TEL. CO. 244      
540-864 7   3029 NEW CASTLE TEL. CO. 244      
540-864 8   3029 NEW CASTLE TEL. CO. 244      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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