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
240-789 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-06-14   
240-789 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-08-04   
240-789 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-08-04   
240-796 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-08-04   
240-798 1 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-11-01   
240-805 2 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-09-19   
240-805 4 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-03-11   
240-805 7 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-01-08   
240-805 8 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-07-25   
240-806 7 Indian Head MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-10-07   
240-806 8 Indian Head MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2018-01-08   
240-808 3 Leonardtown MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-08-28   
240-813 5 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-04-26   
240-814 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-07-25   
240-814 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-07-25   
240-814 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-07-25   
240-814 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-14   
240-839 2 Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-04-02   
240-848 0 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-848 8 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-02-10   
240-853 1 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-12-12   
240-853 2 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-12-12   
240-853 3 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-12-12   
240-853 4 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-12-12   
240-853 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-01-15   
240-888 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-889 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-893 A Washington Zone 3 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-907 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-24   
240-907 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-24   
240-909 0 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-917 A Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-917 4 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-22   
240-917 5 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-27   
240-917 6 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-27   
240-917 7 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-27   
240-917 8 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-27   
240-917 9 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2015-12-27   
240-921 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-921 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-921 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-921 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-921 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-921 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-04-26   
240-935 3 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-30   
240-935 4 Laurel MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-30   
240-937 6 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-25   
240-937 7 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-18   
240-937 9 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-06-07   
240-941 5 Washington Zone 2 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-12   

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

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