Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
227-251 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-251 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-251 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-251 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-251 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-254 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-12   
227-254 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-12   
227-256 1 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 2 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 3 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 4 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-06   
227-256 7 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
227-256 8 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-31   
227-258 A Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-22   
227-258 8 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-22   
227-258 9 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-22   
227-259 A Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-26   
227-259 0 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
227-259 1 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
227-259 2 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
227-259 3 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
227-259 4 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-27   
227-259 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-26   
227-261 A Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 0 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 1 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 2 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 3 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 4 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 7 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 8 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-261 9 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-11   
227-263 3 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-14   
227-263 4 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-14   
227-263 5 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-14   
227-264 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-13   
227-264 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-13   
227-264 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-13   
227-264 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-13   
227-264 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-13   
227-265 3 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   
227-265 4 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   
227-265 5 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   
227-265 6 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   
227-265 7 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   
227-265 8 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-07   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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