Local Calling Guide

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OCN: 876D ONVOY, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-716 5 Washington Zone 5 MD   236   2014-10-24   
240-716 6 Washington Zone 5 MD   236   2014-10-24   
240-717 3 Leonardtown MD   236   2021-09-24   
240-717 4 Leonardtown MD   236   2021-12-23   
240-717 8 Leonardtown MD   236   2021-07-12   
240-719 5 Washington Zone 5 MD   236   2018-01-18   
240-719 6 Washington Zone 5 MD   236   2018-01-18   
240-724 8 Washington Zone 6 MD   236   2012-10-17   
240-728 2 Washington Zone 10 MD   236   2020-10-17   
240-728 7 Washington Zone 10 MD   236   2020-10-17   
240-730 1 Hagerstown MD   240   2021-01-11   
240-730 2 Hagerstown MD   240   2021-01-11   
240-730 3 Hagerstown MD   240   2021-01-11   
240-730 4 Hagerstown MD   240   2023-06-16   
240-732 1 Mount Airy MD   240   2016-09-12   
240-732 2 Mount Airy MD   240   2016-09-12   
240-734 2 Smithsburg MD   240   2016-09-13   
240-734 3 Smithsburg MD   240   2016-09-13   
240-735 4 Brunswick MD   240   2021-07-11   
240-735 5 Brunswick MD   240   2021-07-11   
240-735 8 Brunswick MD   240   2024-03-07   
240-735 9 Brunswick MD   240   2024-07-06   
240-736 1 Laurel MD   236   2021-04-02   
240-736 2 Laurel MD   236   2021-04-02   
240-736 3 Laurel MD   236   2021-04-02   
240-738 6 Hancock MD   240   2021-05-21   
240-738 8 Hancock MD   240   2021-05-21   
240-739 6 Frederick MD   240   2021-08-16   
240-739 7 Frederick MD   240   2021-08-16   
240-742 2 Washington Zone 14 (Baltimore LATA) MD   238   2021-03-04   
240-742 3 Washington Zone 14 (Baltimore LATA) MD   238   2021-07-12   
240-742 4 Washington Zone 14 (Baltimore LATA) MD   238   2022-10-16   
240-743 5 Washington Zone 2 MD   236   2007-09-13   
240-745 7 Damascus MD   236   2015-06-27   
240-746 0 Brandywine MD   236   2025-10-12   
240-746 6 Brandywine MD   236   2021-04-02   
240-746 7 Brandywine MD   236   2021-04-02   
240-746 8 Brandywine MD   236   2021-04-02   
240-747 8 Washington Zone 11 MD   236   2020-07-04   
240-748 0 Washington Zone 3 MD   236   2021-09-24   
240-754 3 Waldorf MD   236   2021-01-03   
240-754 4 Waldorf MD   236   2015-06-27   
240-757 1 Washington Zone 13 MD   236   2021-02-18   
240-757 2 Washington Zone 13 MD   236   2021-02-18   
240-757 6 Washington Zone 13 MD   236   2021-09-24   
240-757 7 Washington Zone 13 MD   236   2024-07-05   
240-757 8 Washington Zone 13 MD   236   2024-07-05   
240-759 A Washington Zone 15 (Baltimore LATA) MD BLTMMDCH42Z  238      
240-759 2 Washington Zone 15 (Baltimore LATA) MD   238   2021-05-22   
240-759 3 Washington Zone 15 (Baltimore LATA) MD   238   2023-06-16   
240-759 5 Washington Zone 15 (Baltimore LATA) MD   238   2022-01-17   
240-759 8 Washington Zone 15 (Baltimore LATA) MD   238   2024-08-24   
240-760 1 Washington Zone 2 MD   236   2016-03-02   
240-760 2 Washington Zone 2 MD   236   2016-03-02   
240-761 6 Laurel MD   236   2021-09-24   
240-763 1 Washington Zone 15 (Baltimore LATA) MD   238   2016-04-28   
240-763 2 Washington Zone 15 (Baltimore LATA) MD   238   2016-04-28   
240-763 3 Washington Zone 15 (Baltimore LATA) MD   238   2016-03-25   
240-763 4 Washington Zone 15 (Baltimore LATA) MD   238   2016-03-25   
240-763 7 Washington Zone 15 (Baltimore LATA) MD   238   2019-02-19   
240-763 8 Washington Zone 15 (Baltimore LATA) MD   238   2019-02-19   
240-769 1 Keedysville MD   240   2021-09-20   
240-769 4 Keedysville MD   240   2021-09-20   
240-769 7 Keedysville MD   240   2024-03-07   
240-771 A Poolesville MD VINNVACBDS0  236      
240-771 0 Poolesville MD   236   2016-04-18   
240-771 1 Poolesville MD   236   2016-04-18   
240-771 3 Poolesville MD   236   2016-08-05   
240-771 4 Poolesville MD   236   2016-08-05   
240-774 1 Lonaconing MD   240   2016-09-12   
240-774 2 Lonaconing MD   240   2016-09-12   
240-775 1 Westernport MD   240   2016-09-13   
240-775 2 Westernport MD   240   2016-09-13   
240-775 3 Westernport MD   240   2017-12-14   
240-776 3 La Plata MD   236   2021-12-23   
240-776 7 La Plata MD   236   2024-03-03   
240-778 6 Washington Zone 10 MD   236   2008-10-05   
240-780 5 Gaithersburg MD   236   2021-07-12   
240-781 6 Washington Zone 2 MD   236   2017-05-23   
240-782 A Damascus MD   236      
240-782 2 Damascus MD   236   2014-10-24   
240-782 3 Damascus MD   236   2014-10-24   
240-784 4 Myersville MD   240   2016-09-12   
240-784 5 Myersville MD   240   2016-09-12   
240-785 2 Oakland MD   240   2024-04-13   
240-785 3 Oakland MD   240   2021-09-20   
240-785 4 Oakland MD   240   2021-09-20   
240-785 6 Oakland MD   240   2025-01-06   
240-786 1 Laurel MD   236   2012-10-06   
240-787 6 Brandywine MD   236   2016-04-28   
240-787 7 Brandywine MD   236   2015-06-27   
240-789 4 Washington Zone 10 MD   236   2022-04-25   
240-790 5 Washington Zone 13 MD   236   2022-12-22   
240-790 9 Washington Zone 13 MD   236   2023-03-23   
240-791 4 Washington Zone 4 MD   236   2021-09-26   
240-791 5 Washington Zone 4 MD   236   2021-09-26   
240-794 3 Lexington Park-Great Mills MD   236   2021-09-24   
240-794 6 Lexington Park-Great Mills MD   236   2008-10-05   
240-794 9 Lexington Park-Great Mills MD   236   2021-09-24   
240-795 3 Washington Zone 5 MD   236   2021-10-16   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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