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: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-222 A Washington Zone 16 MD WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236      
227-222 2 Washington Zone 16 MD WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236   2023-12-18   
227-222 3 Washington Zone 16 MD VINNVACBDS0  624H ONVOY SPECTRUM, LLC 236   2024-01-14   
227-222 4 Washington Zone 16 MD VINNVACBDS0  624H ONVOY SPECTRUM, LLC 236   2024-01-14   
227-222 7 Washington Zone 16 MD WASHDCSWFMD  530H WIDE VOICE, LLC - MD 236   2023-12-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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