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
227-266 A Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 0 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 1 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 2 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 3 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 4 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 7 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 8 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-266 9 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-02-02   
227-268 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-05-21   
227-268 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2026-03-13   
227-271 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-03-13   
227-271 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-06   
227-271 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-06   
227-271 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-06   
227-271 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-06   
227-271 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-06   
227-271 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-03-13   
227-271 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-03-13   
227-273 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-273 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-04-21   
227-274 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-274 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-06-02   
227-276 7 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-10-04   
227-276 8 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-10-04   
227-276 9 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-29   
227-278 6 Waldorf MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-29   
227-280 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-07-05   
227-280 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-07-05   
227-280 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-07-05   
227-284 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-29   
227-284 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-29   
227-284 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-08-22   
227-284 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-08-22   
227-287 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-09-06   

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

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