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
410-584 3 Cockeysville MD 876D ONVOY, LLC - MD 238   2024-03-08   
410-584 5 Cockeysville MD 876D ONVOY, LLC - MD 238   2024-03-08   
410-587 0 Arbutus MD 876D ONVOY, LLC - MD 238   2016-03-07   
410-587 2 Arbutus MD 876D ONVOY, LLC - MD 238   2016-03-07   
410-593 0 Fork MD 876D ONVOY, LLC - MD 238   2016-02-25   
410-593 1 Fork MD 876D ONVOY, LLC - MD 238   2015-07-29   
410-593 3 Fork MD 876D ONVOY, LLC - MD 238   2016-02-16   
410-593 8 Fork MD 876D ONVOY, LLC - MD 238   2016-02-25   
410-609 5 Brooklyn Park-Linthicum MD 876D ONVOY, LLC - MD 238   2016-03-24   
410-609 9 Brooklyn Park-Linthicum MD 876D ONVOY, LLC - MD 238   2016-03-08   
410-612 3 Edgewood MD 876D ONVOY, LLC - MD 238   2016-12-24   
410-618 0 Perryville MD 876D ONVOY, LLC - MD 238   2012-10-08   
410-618 1 Perryville MD 876D ONVOY, LLC - MD 238   2014-07-25   
410-618 4 Perryville MD 876D ONVOY, LLC - MD 238   2016-01-05   
410-642 5 Perryville MD 876D ONVOY, LLC - MD 238   2016-04-11   
410-642 7 Perryville MD 876D ONVOY, LLC - MD 238   2016-04-11   
410-650 0 Dundalk MD 876D ONVOY, LLC - MD 238   2016-03-31   
410-650 6 Dundalk MD 876D ONVOY, LLC - MD 238   2016-03-10   
410-650 8 Dundalk MD 876D ONVOY, LLC - MD 238   2016-03-31   
410-656 6 North East MD 876D ONVOY, LLC - MD 238   2012-10-07   
410-657 0 Parkville MD 876D ONVOY, LLC - MD 238   2016-05-06   
410-657 4 Parkville MD 876D ONVOY, LLC - MD 238   2016-03-28   
410-657 6 Parkville MD 876D ONVOY, LLC - MD 238   2016-03-28   
410-670 0 Edgewood MD 876D ONVOY, LLC - MD 238   2016-05-06   
410-671 0 Edgewood MD 876D ONVOY, LLC - MD 238   2016-03-30   
410-680 2 Ellicott City MD 876D ONVOY, LLC - MD 238   2016-02-15   
410-680 3 Ellicott City MD 876D ONVOY, LLC - MD 238   2016-02-15   
410-695 9 Odenton MD 876D ONVOY, LLC - MD 238   2016-05-04   
410-701 2 Randallstown MD 876D ONVOY, LLC - MD 238   2016-04-06   
410-701 3 Randallstown MD 876D ONVOY, LLC - MD 238   2016-04-06   
410-709 4 Sparrows Point MD 876D ONVOY, LLC - MD 238   2016-03-08   
410-709 6 Sparrows Point MD 876D ONVOY, LLC - MD 238   2016-03-24   
410-709 7 Sparrows Point MD 876D ONVOY, LLC - MD 238   2016-03-24   
410-729 6 Severn MD 876D ONVOY, LLC - MD 238   2016-03-14   
410-734 3 Churchville MD 876D ONVOY, LLC - MD 238   2016-03-25   
410-734 5 Churchville MD 876D ONVOY, LLC - MD 238   2016-03-07   
410-756 8 Taneytown MD 876D ONVOY, LLC - MD 238   2016-04-08   
410-762 3 Glen Burnie MD 876D ONVOY, LLC - MD 238   2024-02-25   
410-762 4 Glen Burnie MD 876D ONVOY, LLC - MD 238   2016-01-15   
410-769 0 Towson MD 876D ONVOY, LLC - MD 238   2016-03-28   
410-769 3 Towson MD 876D ONVOY, LLC - MD 238   2016-03-28   
410-775 9 Union Bridge MD 876D ONVOY, LLC - MD 238   2016-03-28   
410-781 1 Ellicott City MD 876D ONVOY, LLC - MD 238   2016-03-10   
410-781 3 Ellicott City MD 876D ONVOY, LLC - MD 238   2024-04-13   
410-801 1 Baltimore MD 876D ONVOY, LLC - MD 238   2024-02-24   
410-801 7 Baltimore MD 876D ONVOY, LLC - MD 238   2017-03-02   
410-807 3 Catonsville MD 876D ONVOY, LLC - MD 238   2012-10-08   
410-817 1 Fork MD 876D ONVOY, LLC - MD 238   2025-08-18   
410-817 2 Fork MD 876D ONVOY, LLC - MD 238   2025-08-18   
410-817 7 Fork MD 876D ONVOY, LLC - MD 238   2016-03-27   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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