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: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-358 A Chambersburg PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2024-04-05   
223-358 0 Chambersburg PA CHBGPAXCXDX  547E ONVOY, LLC - PA 226   2024-04-05   
223-358 1 Chambersburg PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2025-04-15   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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