Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 835 [Rate centres in NPA 835] [Dial plan for NPA 835]

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
835-274 A Allentown (Lehigh) PA   547E ONVOY, LLC - PA 228   2025-10-25   
835-274 0 Allentown (Lehigh) PA   547E ONVOY, LLC - PA 228   2025-10-25   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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