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: 296

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-296 A Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-03-23   
227-296 0 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-03-23   
227-296 1 Washington Zone 12 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-296 2 Washington Zone 12 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-296 3 Washington Zone 12 MD   876D ONVOY, LLC - MD 236   2026-09-17   
227-296 8 Washington Zone 12 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-08-15   
227-296 9 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2026-06-13   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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