Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-317 A Manchester (York) PA YORKPAXMX0X  506J TWILIO INTERNATIONAL, INC. 226   2024-01-03   
223-317 0 Manchester (York) PA   547E ONVOY, LLC - PA 226   2024-03-03   
223-317 1 Manchester (York) PA   547E ONVOY, LLC - PA 226   2024-06-07   
223-317 2 Manchester (York) PA   547E ONVOY, LLC - PA 226   2023-08-17   
223-317 3 Manchester (York) PA   506J TWILIO INTERNATIONAL, INC. 226   2024-01-03   
223-317 9 Manchester (York) PA   547E ONVOY, LLC - PA 226   2026-02-06   

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

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