Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

NXX: 288

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-288 A Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 0 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 1 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-10-04   
227-288 2 Hagerstown MD   490J DISH WIRELESS, LLC 240   2025-10-06   
227-288 3 Hagerstown MD   490J DISH WIRELESS, LLC 240   2025-12-04   
227-288 4 Hagerstown MD   490J DISH WIRELESS, LLC 240   2026-02-12   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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