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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-587 A Harrisburg City Zone-1 PA   883K AHOI LLC 226   2026-05-09   
223-587 8 Harrisburg City Zone-1 PA   883K AHOI LLC 226   2026-05-09   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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