Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-546 6 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-551 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-552 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-552 7 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2011-04-12   
240-553 3 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2022-12-22   
240-553 5 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2022-12-22   
240-553 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2022-11-08   
240-553 8 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2011-04-23   
240-556 2 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-556 5 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-556 6 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-556 7 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-557 1 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2017-07-13   
240-557 2 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2018-01-14   
240-557 3 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2018-01-14   
240-557 8 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-558 1 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-558 5 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-558 6 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2015-07-30   
240-559 5 Ashton MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-563 A Washington Zone 5 MD 876D ONVOY, LLC - MD 236      
240-563 0 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2017-08-19   
240-563 9 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2019-05-17   
240-573 2 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2012-04-05   
240-590 5 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2021-09-24   
240-616 2 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2017-07-12   
240-616 4 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-616 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2021-02-18   
240-616 9 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2024-05-03   
240-618 2 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2014-12-31   
240-618 3 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2014-12-31   
240-621 4 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-621 5 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-622 3 La Plata MD 876D ONVOY, LLC - MD 236   2021-07-12   
240-623 2 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-05-15   
240-623 5 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-07-30   
240-623 7 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-623 8 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-01-04   
240-623 9 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-01-04   
240-624 2 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2008-10-05   
240-624 4 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-624 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-624 7 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-624 9 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2014-10-24   
240-627 0 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2024-11-10   
240-627 2 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2024-05-24   
240-628 6 Mechanicsville MD 876D ONVOY, LLC - MD 236   2019-02-19   
240-628 7 Mechanicsville MD 876D ONVOY, LLC - MD 236   2018-09-13   
240-628 8 Mechanicsville MD 876D ONVOY, LLC - MD 236   2019-02-19   
240-633 6 Hughesville MD 876D ONVOY, LLC - MD 236   2015-07-14   
240-633 7 Hughesville MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-633 8 Hughesville MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-634 3 Ridge MD 876D ONVOY, LLC - MD 236   2020-10-17   
240-634 8 Ridge MD 876D ONVOY, LLC - MD 236   2019-02-19   
240-634 9 Ridge MD 876D ONVOY, LLC - MD 236   2019-02-19   
240-635 8 Tompkinsville MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-635 9 Tompkinsville MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-641 0 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2015-08-02   
240-641 1 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2015-08-02   
240-641 7 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-650 A Washington Zone 3 MD 876D ONVOY, LLC - MD 236      
240-650 9 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2012-02-29   
240-652 2 Mechanicsville MD 876D ONVOY, LLC - MD 236   2012-09-13   
240-658 8 Gaithersburg MD 876D ONVOY, LLC - MD 236   2021-02-18   
240-658 9 Gaithersburg MD 876D ONVOY, LLC - MD 236   2021-02-18   
240-660 3 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-04-28   
240-660 4 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-660 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-661 0 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2015-10-09   
240-661 6 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2015-07-13   
240-661 7 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-661 8 Lexington Park-Great Mills MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-665 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2017-07-13   
240-666 A Nanjemoy MD 876D ONVOY, LLC - MD 236      
240-666 5 Nanjemoy MD 876D ONVOY, LLC - MD 236   2021-04-02   
240-666 6 Nanjemoy MD 876D ONVOY, LLC - MD 236   2015-08-23   
240-666 7 Nanjemoy MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-666 8 Nanjemoy MD 876D ONVOY, LLC - MD 236   2016-03-14   
240-666 9 Nanjemoy MD 876D ONVOY, LLC - MD 236   2021-04-02   
240-670 1 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2013-05-14   
240-673 2 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-673 3 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-673 6 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2020-09-11   
240-673 7 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2020-09-11   
240-684 8 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2015-06-27   
240-685 5 Brandywine MD 876D ONVOY, LLC - MD 236   2024-03-07   
240-685 7 Brandywine MD 876D ONVOY, LLC - MD 236   2013-05-29   
240-685 9 Brandywine MD 876D ONVOY, LLC - MD 236   2012-10-06   
240-689 3 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-12-23   
240-689 4 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-12-23   
240-689 5 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2021-12-23   
240-690 2 Gaithersburg MD 876D ONVOY, LLC - MD 236   2018-06-14   
240-690 5 Gaithersburg MD 876D ONVOY, LLC - MD 236   2017-12-15   
240-690 6 Gaithersburg MD 876D ONVOY, LLC - MD 236   2017-12-15   
240-695 1 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2017-05-19   
240-697 0 Mechanicsville MD 876D ONVOY, LLC - MD 236   2023-06-17   
240-697 2 Mechanicsville MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-697 3 Mechanicsville MD 876D ONVOY, LLC - MD 236   2020-04-30   
240-697 5 Mechanicsville MD 876D ONVOY, LLC - MD 236   2025-01-06   
240-697 7 Mechanicsville MD 876D ONVOY, LLC - MD 236   2021-03-04   

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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