Local Calling Guide

Area code/prefix search

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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
410-498 8 Cockeysville MD   238   2020-07-05   
410-500 9 Baltimore MD   238   2016-03-26   
410-510 8 Fork MD   238   2022-10-17   
410-512 9 Towson MD   238   2024-04-07   
410-513 5 Parkville MD   238   2016-03-08   
410-514 3 Severn MD   238   2016-03-14   
410-517 7 Reisterstown MD   238   2016-03-08   
410-520 1 Ocean City MD   242   2024-03-02   
410-520 3 Ocean City MD   242   2024-04-05   
410-538 1 Fork MD   238   2024-03-07   
410-541 1 Severna Park MD   238   2016-03-03   
410-541 4 Severna Park MD   238   2021-03-04   
410-541 5 Severna Park MD   238   2021-03-04   
410-541 7 Severna Park MD   238   2021-03-04   
410-541 8 Severna Park MD   238   2024-12-14   
410-553 5 Glen Burnie MD   238   2016-03-18   
410-556 7 Church Hill MD   242   2017-04-13   
410-559 9 Pikesville MD   238   2016-03-31   
410-564 1 Elkridge MD   238   2022-08-21   
410-567 0 Elkridge MD   238   2013-11-16   
410-584 3 Cockeysville MD   238   2024-03-08   
410-584 5 Cockeysville MD   238   2024-03-08   
410-587 0 Arbutus MD   238   2016-03-07   
410-587 2 Arbutus MD   238   2016-03-07   
410-593 0 Fork MD   238   2016-02-25   
410-593 1 Fork MD   238   2015-07-29   
410-593 3 Fork MD   238   2016-02-16   
410-593 8 Fork MD   238   2016-02-25   
410-600 7 Berlin MD   242   2017-04-13   
410-600 9 Berlin MD   242   2024-04-21   
410-604 8 Stevensville MD   242   2022-11-24   
410-609 5 Brooklyn Park-Linthicum MD   238   2016-03-24   
410-609 9 Brooklyn Park-Linthicum MD   238   2016-03-08   
410-612 3 Edgewood MD   238   2016-12-24   
410-618 0 Perryville MD   238   2012-10-08   
410-618 1 Perryville MD   238   2014-07-25   
410-618 4 Perryville MD   238   2016-01-05   
410-621 4 Princess Anne MD   242   2021-04-29   
410-621 7 Princess Anne MD   242   2021-04-29   
410-623 3 Marion MD   242   2019-03-04   
410-623 7 Marion MD   242   2017-04-14   
410-632 6 Snow Hill MD   242   2018-09-13   
410-634 7 Ridgely MD   242   2017-04-14   
410-639 3 Rock Hall MD   242   2017-04-14   
410-639 6 Rock Hall MD   242   2021-03-05   
410-642 5 Perryville MD   238   2016-04-11   
410-642 7 Perryville MD   238   2016-04-11   
410-648 9 Galena MD   242   2017-04-13   
410-650 0 Dundalk MD   238   2016-03-31   
410-650 6 Dundalk MD   238   2016-03-10   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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