Local Calling Guide

Area code/prefix search

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Switch: BTVLMD18G00

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-798 1 Gaithersburg MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-11-01   
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   
240-937 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   
240-974 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   
240-981 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   
240-992 0 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
240-992 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
240-992 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
240-992 3 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
240-992 4 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-08-06   
301-201 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-201 1 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-21   
301-201 2 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-09-21   
301-201 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-01-09   
301-201 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-01-07   
301-201 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-01-07   
301-550 A Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-550 5 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 6 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 7 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 8 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   
301-550 9 Washington Zone 10 MD 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-09-09   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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