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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-394 A Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2026-08-01   
223-394 9 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2026-08-01   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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