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
240-941 6 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-12   
240-957 1 Damascus MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-08   
240-957 7 Damascus MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-10-29   
240-962 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-962 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-963 5 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-07   
240-963 8 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-963 9 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-968 A Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-968 2 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-01   
240-968 3 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-05   
240-968 4 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-05   
240-968 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-974 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-974 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-974 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-04   
240-980 0 Leonardtown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-01-08   
240-981 0 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-02   
240-981 2 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-02   
240-982 0 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-03-22   
240-987 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-987 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-987 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-987 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-987 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-987 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-20   
240-987 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-20   
240-987 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-20   
240-987 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-20   
240-987 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-987 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-22   
240-990 A Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-990 0 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-12-30   
240-990 1 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-21   
240-990 2 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-21   
240-990 3 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-21   
240-990 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-17   
240-990 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-17   
240-990 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-17   
240-990 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-17   
240-992 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   

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

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