Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 384

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-384 A York PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2026-02-13   
223-384 0 York PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2026-02-13   
223-384 1 York PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2026-02-13   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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