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
240-290 5 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2020-07-04   
240-290 6 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2024-02-23   
240-290 8 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2024-02-23   
240-303 3 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-303 5 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-303 6 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-303 7 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-303 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-318 7 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2016-03-11   
240-326 2 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2024-04-05   
240-326 5 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-326 6 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-326 7 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-330 4 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-332 0 Tompkinsville MD 876D ONVOY, LLC - MD 236   2021-05-21   
240-332 1 Tompkinsville MD 876D ONVOY, LLC - MD 236   2020-07-04   
240-332 4 Tompkinsville MD 876D ONVOY, LLC - MD 236   2021-03-04   
240-332 5 Tompkinsville MD 876D ONVOY, LLC - MD 236   2021-05-21   
240-332 7 Tompkinsville MD 876D ONVOY, LLC - MD 236   2021-05-21   
240-332 8 Tompkinsville MD 876D ONVOY, LLC - MD 236   2020-07-04   
240-335 2 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-335 3 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-335 7 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-335 8 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2020-06-11   
240-337 A Washington Zone 5 MD 876D ONVOY, LLC - MD 236      
240-337 0 Washington Zone 5 MD 876D ONVOY, LLC - MD 236      
240-339 2 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-339 6 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-339 8 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2015-07-23   
240-348 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2016-03-11   
240-348 9 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-349 5 La Plata MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-349 7 La Plata MD 876D ONVOY, LLC - MD 236   2012-10-06   
240-358 2 Damascus MD 876D ONVOY, LLC - MD 236   2022-04-25   
240-358 3 Damascus MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-358 7 Damascus MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-358 8 Damascus MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-359 0 Indian Head MD 876D ONVOY, LLC - MD 236   2024-03-14   
240-359 2 Indian Head MD 876D ONVOY, LLC - MD 236   2023-02-20   
240-359 3 Indian Head MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-359 6 Indian Head MD 876D ONVOY, LLC - MD 236   2022-11-27   
240-359 7 Indian Head MD 876D ONVOY, LLC - MD 236   2022-11-27   
240-359 8 Indian Head MD 876D ONVOY, LLC - MD 236   2021-12-23   
240-363 A Washington Zone 11 MD 876D ONVOY, LLC - MD 236      
240-368 4 Waldorf MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-368 5 Waldorf MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-368 6 Waldorf MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-368 7 Waldorf MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-371 4 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2022-12-16   
240-371 6 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2024-07-05   

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

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