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
227-287 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-287 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   
227-289 5 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-07-24   
227-289 7 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-01   
227-289 8 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-01   
227-290 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-03-13   
227-290 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-01   
227-290 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-01   
227-290 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-01   
227-301 A Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 3 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 4 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 7 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 8 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-301 9 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-05-02   
227-303 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-303 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-304 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-305 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-305 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-02-26   
227-310 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-310 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-04-27   
227-338 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   
227-338 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-12-23   

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

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