Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-255 7 Poolesville MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-259 A Hughesville MD 624H ONVOY SPECTRUM, LLC 236      
240-259 2 Hughesville MD 624H ONVOY SPECTRUM, LLC 236   2021-06-25   
240-259 4 Hughesville MD 624H ONVOY SPECTRUM, LLC 236   2022-03-12   
240-259 5 Hughesville MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-259 6 Hughesville MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-266 4 Washington Zone 14 MD 624H ONVOY SPECTRUM, LLC 236   2021-09-10   
240-266 7 Washington Zone 14 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-269 8 Washington Zone 16 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-28   
240-312 7 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-326 8 Washington Zone 15 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-331 4 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-331 9 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-358 4 Damascus MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-358 6 Damascus MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-368 3 Waldorf MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-371 2 Washington Zone 12 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-371 3 Washington Zone 12 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-377 5 Indian Head MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-395 6 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-395 7 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-396 0 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-396 4 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-425 1 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-433 6 Washington Zone 12 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-443 7 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-465 1 Washington Zone 2 MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-491 0 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-491 3 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-491 4 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-504 6 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-504 7 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-525 3 Washington Zone 15 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-553 2 Washington Zone 13 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-622 8 La Plata MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-627 1 Washington Zone 11 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-627 4 Washington Zone 11 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-658 7 Gaithersburg MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-661 4 Lexington Park-Great Mills MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-667 3 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-684 4 Washington Zone 13 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-689 6 Washington Zone 15 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-691 0 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-691 5 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2024-12-05   
240-697 1 Mechanicsville MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-697 4 Mechanicsville MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-697 9 Mechanicsville MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-703 5 Ashton MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-709 8 Laurel MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-717 A Leonardtown MD 624H ONVOY SPECTRUM, LLC 236      
240-717 1 Leonardtown MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-717 2 Leonardtown MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-717 7 Leonardtown MD 624H ONVOY SPECTRUM, LLC 236   2021-06-25   
240-726 7 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-746 4 Brandywine MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-748 7 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-748 9 Washington Zone 3 MD 624H ONVOY SPECTRUM, LLC 236   2022-06-14   
240-757 4 Washington Zone 13 MD 624H ONVOY SPECTRUM, LLC 236   2022-03-17   
240-757 5 Washington Zone 13 MD 624H ONVOY SPECTRUM, LLC 236   2022-03-17   
240-768 A Nanjemoy MD 624H ONVOY SPECTRUM, LLC 236      
240-768 7 Nanjemoy MD 624H ONVOY SPECTRUM, LLC 236   2021-06-25   
240-768 8 Nanjemoy MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-768 9 Nanjemoy MD 624H ONVOY SPECTRUM, LLC 236   2021-11-15   
240-776 0 La Plata MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-787 3 Brandywine MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-797 0 Ashton MD 624H ONVOY SPECTRUM, LLC 236   2021-11-25   
240-798 5 Gaithersburg MD 624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 6 Gaithersburg MD 624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 7 Gaithersburg MD 624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-798 9 Gaithersburg MD 624H ONVOY SPECTRUM, LLC 236   2021-11-14   
240-812 5 Poolesville MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-853 9 Laurel MD 624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-854 4 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2022-03-20   
240-854 5 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2022-03-20   
240-861 0 Ashton MD 624H ONVOY SPECTRUM, LLC 236   2021-11-25   
240-869 4 Washington Zone 10 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-869 5 Washington Zone 10 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-15   
240-871 2 Lexington Park-Great Mills MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-871 3 Lexington Park-Great Mills MD 624H ONVOY SPECTRUM, LLC 236   2021-12-11   
240-872 1 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-872 2 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-872 3 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-872 4 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-872 5 Washington Zone 6 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-879 1 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-879 4 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-879 5 Washington Zone 4 MD 624H ONVOY SPECTRUM, LLC 236   2021-12-10   
240-884 A Tompkinsville MD 624H ONVOY SPECTRUM, LLC 236      
240-884 2 Tompkinsville MD 624H ONVOY SPECTRUM, LLC 236   2022-02-26   
240-884 3 Tompkinsville MD 624H ONVOY SPECTRUM, LLC 236   2022-01-22   
240-884 4 Tompkinsville MD 624H ONVOY SPECTRUM, LLC 236   2022-01-22   
240-884 8 Tompkinsville MD 624H ONVOY SPECTRUM, LLC 236   2021-06-28   
240-885 3 Washington Zone 10 MD 624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-887 0 Ashton MD 624H ONVOY SPECTRUM, LLC 236   2022-02-11   
240-887 1 Ashton MD 624H ONVOY SPECTRUM, LLC 236   2022-02-11   
240-890 2 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2022-02-26   
240-890 4 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2022-02-24   
240-890 8 Washington Zone 5 MD 624H ONVOY SPECTRUM, LLC 236   2022-02-24   
240-897 0 Washington Zone 16 MD 624H ONVOY SPECTRUM, LLC 236   2022-01-28   
240-905 4 Brandywine MD 624H ONVOY SPECTRUM, LLC 236   2022-03-04   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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