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
227-236 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-05-02   
227-236 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-05-02   
227-241 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-07-07   
227-241 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-08-17   
227-241 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-08-17   
227-241 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-07-07   
227-241 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-07-07   
227-241 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-07-07   
227-248 1 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-09-02   
227-248 2 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-248 3 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-248 4 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-248 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-248 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-248 7 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-04   
227-250 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-09-22   
227-250 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-18   
227-250 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-18   
227-250 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-09-22   
227-250 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-09-22   
227-251 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-22   
227-251 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-11   
227-251 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-11   
227-251 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-11   
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   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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