Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
667-670 6 Sudlersville MD   242   2021-05-17   
667-670 7 Sudlersville MD   242   2021-05-21   
667-676 A Willards MD SLBRMDSBXVX  242      
667-676 6 Willards MD   242   2020-11-21   
667-676 7 Willards MD   242   2020-11-21   
667-676 8 Willards MD   242   2021-07-12   
667-677 A Baltimore MD BLTMMDCH42Z  238      
667-677 5 Baltimore MD   238   2015-06-09   
667-677 6 Baltimore MD   238   2015-06-09   
667-677 7 Baltimore MD   238   2015-06-09   
667-677 8 Baltimore MD   238   2015-06-09   
667-678 A Columbia MD BLTMMDCH42Z  238      
667-678 2 Columbia MD   238   2021-10-15   
667-687 A Warwick MD SLBRMDSBXVX  242      
667-687 6 Warwick MD   242   2021-05-17   
667-688 3 Parkville MD   238   2020-12-03   
667-688 4 Parkville MD   238   2020-12-03   
667-688 5 Parkville MD   238   2020-12-03   
667-688 6 Parkville MD   238   2020-12-03   
667-701 0 Elkridge MD   238   2015-12-12   
667-701 1 Elkridge MD   238   2016-01-29   
667-701 3 Elkridge MD   238   2016-03-11   
667-701 4 Elkridge MD   238   2016-03-11   
667-727 8 Sudlersville MD   242   2019-03-10   
667-727 9 Sudlersville MD   242   2019-03-10   
667-746 0 Glenwood MD   238   2023-10-22   
667-746 1 Glenwood MD   238   2023-10-22   
667-746 2 Glenwood MD   238   2023-10-22   
667-746 3 Glenwood MD   238   2023-10-22   
667-746 4 Glenwood MD   238   2023-10-22   
667-755 4 Pikesville MD   238   2022-10-16   
667-758 2 Silver Run MD   238   2021-07-12   
667-758 3 Silver Run MD   238   2021-07-12   
667-758 8 Silver Run MD   238   2021-03-04   
667-766 A Stevensville MD SLBRMDSBXVX  242      
667-766 6 Stevensville MD   242   2021-07-12   
667-766 7 Stevensville MD   242   2021-05-17   
667-767 A St Michaels MD SLBRMDSBXVX  242      
667-767 0 St Michaels MD   242   2021-05-18   
667-767 3 St Michaels MD   242   2021-09-25   
667-767 4 St Michaels MD   242   2021-05-21   
667-767 5 St Michaels MD   242   2021-05-21   
667-767 6 St Michaels MD   242   2021-05-17   
667-767 8 St Michaels MD   242   2021-05-18   
667-770 6 Baltimore MD   238   2019-06-13   
667-770 7 Baltimore MD   238   2019-06-13   
667-772 1 Sparks-Glencoe MD   238   2022-10-16   
667-772 2 Sparks-Glencoe MD   238   2021-07-12   
667-772 3 Sparks-Glencoe MD   238   2021-07-12   
667-772 6 Sparks-Glencoe MD   238   2022-02-05   

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

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