Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: VINNVACBDS0

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-795 4 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2021-10-16   
240-797 1 Ashton MD 876D ONVOY, LLC - MD 236   2021-10-10   
240-797 2 Ashton MD 876D ONVOY, LLC - MD 236   2021-10-10   
240-798 A Gaithersburg MD 876D ONVOY, LLC - MD 236      
240-798 2 Gaithersburg MD 876D ONVOY, LLC - MD 236   2021-10-31   
240-798 3 Gaithersburg MD 876D ONVOY, LLC - MD 236   2021-10-31   
240-800 1 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2015-07-30   
240-801 3 Gaithersburg MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-802 7 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-802 8 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-804 A Tompkinsville MD 876D ONVOY, LLC - MD 236      
240-804 3 Tompkinsville MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-804 8 Tompkinsville MD 876D ONVOY, LLC - MD 236      
240-804 9 Tompkinsville MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-806 0 Indian Head MD 876D ONVOY, LLC - MD 236   2024-07-15   
240-806 1 Indian Head MD 876D ONVOY, LLC - MD 236   2016-03-11   
240-806 2 Indian Head MD 876D ONVOY, LLC - MD 236   2016-03-11   
240-808 2 Leonardtown MD 876D ONVOY, LLC - MD 236   2015-08-17   
240-808 6 Leonardtown MD 876D ONVOY, LLC - MD 236   2016-03-07   
240-808 7 Leonardtown MD 876D ONVOY, LLC - MD 236   2016-03-07   
240-808 8 Leonardtown MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-817 0 Ashton MD 876D ONVOY, LLC - MD 236   2016-03-13   
240-817 1 Ashton MD 876D ONVOY, LLC - MD 236   2016-03-13   
240-817 2 Ashton MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-817 3 Ashton MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-821 7 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2025-01-09   
240-823 4 Brandywine MD 876D ONVOY, LLC - MD 236   2014-10-28   
240-823 5 Brandywine MD 876D ONVOY, LLC - MD 236   2014-10-28   
240-823 8 Brandywine MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-825 0 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-05-15   
240-825 1 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-05-15   
240-825 2 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-05-15   
240-830 0 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-02-22   
240-830 1 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-03-02   
240-830 3 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-830 4 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-830 5 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-830 7 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-830 8 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-833 5 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-02-25   
240-833 7 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-02-25   
240-837 8 Hughesville MD 876D ONVOY, LLC - MD 236   2012-10-06   
240-839 5 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-844 A Ridge MD 876D ONVOY, LLC - MD 236      
240-844 3 Ridge MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-844 4 Ridge MD 876D ONVOY, LLC - MD 236      
240-844 5 Ridge MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-844 7 Ridge MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-845 9 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2025-02-01   
240-847 A Washington Zone 3 MD 876D ONVOY, LLC - MD 236      
240-847 0 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-02-08   
240-847 1 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-02-08   
240-847 2 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-02-25   
240-847 3 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-02-25   
240-847 5 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-10-01   
240-847 6 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2016-10-01   
240-858 0 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2016-10-01   
240-858 1 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2016-10-01   
240-868 6 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2022-12-16   
240-868 8 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2025-05-10   
240-869 6 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-12-23   
240-871 4 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2023-06-17   
240-872 0 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-01-02   
240-879 2 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2021-12-10   
240-879 3 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2021-12-10   
240-883 5 Ashton MD 876D ONVOY, LLC - MD 236   2012-10-06   
240-883 9 Ashton MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-884 7 Tompkinsville MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-885 A Washington Zone 10 MD 876D ONVOY, LLC - MD 236      
240-885 4 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-03-25   
240-885 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-03-25   
240-885 6 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-03-25   
240-885 7 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-03-25   
240-885 8 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2021-03-25   
240-886 1 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2022-01-09   
240-892 4 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2011-04-23   
240-892 5 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-892 7 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-892 8 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-892 9 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2025-01-09   
240-894 0 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2024-06-29   
240-894 1 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2024-06-29   
240-894 9 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2026-06-22   
240-895 1 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2025-10-12   
240-895 9 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-898 4 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-900 A Washington Zone 4 MD 876D ONVOY, LLC - MD 236      
240-900 0 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-04-20   
240-900 1 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 2 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 3 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 4 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 5 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 6 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 7 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-27   
240-900 8 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-04-20   
240-900 9 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-04-20   
240-901 3 La Plata MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-901 4 La Plata MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-901 9 La Plata MD 876D ONVOY, LLC - MD 236   2015-06-27   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.