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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-328 A Thompsontown PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226      
223-328 0 Thompsontown PA   547E ONVOY, LLC - PA 226   2024-01-19   
223-328 2 Thompsontown PA   547E ONVOY, LLC - PA 226   2023-11-13   

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

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