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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-204 A Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
227-204 0 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 1 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 2 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 3 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 4 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 5 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
227-204 6 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-15   
227-204 7 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-15   
227-204 8 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-15   
227-204 9 Washington Zone 10 MD BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-15   

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

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