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: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-387 A Lancaster PA   547E ONVOY, LLC - PA 226   2026-03-06   
223-387 0 Lancaster PA   547E ONVOY, LLC - PA 226   2026-03-06   
223-387 1 Lancaster PA   547E ONVOY, LLC - PA 226   2026-03-22   
223-387 8 Lancaster PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2026-04-03   
223-387 9 Lancaster PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2026-04-03   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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