Local Calling Guide

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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
667-426 5 Taneytown MD   238   2021-05-23   
667-426 6 Taneytown MD   238   2021-05-23   
667-426 7 Taneytown MD   238   2021-05-22   
667-426 9 Taneytown MD   238   2024-04-19   
667-427 A West River MD BLTMMDCH42Z  238      
667-427 1 West River MD   238   2023-08-10   
667-427 2 West River MD   238   2023-08-10   
667-427 5 West River MD   238   2023-08-10   
667-427 6 West River MD   238   2021-05-22   
667-430 1 Pikesville MD   238   2023-08-10   
667-430 2 Pikesville MD   238   2023-08-10   
667-430 3 Pikesville MD   238   2023-08-10   
667-430 4 Pikesville MD   238   2023-08-10   
667-430 5 Pikesville MD   238   2023-08-10   
667-430 6 Pikesville MD   238   2023-08-10   
667-431 1 Arbutus MD   238   2023-08-10   
667-431 2 Arbutus MD   238   2023-08-10   
667-431 3 Arbutus MD   238   2023-08-10   
667-431 4 Arbutus MD   238   2023-08-10   
667-431 5 Arbutus MD   238   2023-08-10   
667-433 2 Catonsville MD   238   2023-08-10   
667-435 A Baltimore MD BLTMMDCH42Z  238      
667-435 2 Baltimore MD   238   2023-07-21   
667-436 0 Towson MD   238   2024-12-14   
667-436 1 Towson MD   238   2024-12-14   
667-436 3 Towson MD   238   2024-04-19   
667-436 4 Towson MD   238   2024-04-19   
667-436 5 Towson MD   238   2024-04-19   
667-436 6 Towson MD   238   2025-11-28   
667-440 A Baltimore MD BLTMMDCH42Z  238      
667-440 0 Baltimore MD   238   2023-09-26   
667-440 1 Baltimore MD   238   2023-09-26   
667-440 2 Baltimore MD   238   2023-09-25   
667-440 3 Baltimore MD   238   2023-09-25   
667-440 4 Baltimore MD   238   2023-09-25   
667-441 6 Parkville MD   238   2024-02-23   
667-441 7 Parkville MD   238   2024-02-23   
667-442 3 Essex MD   238   2024-02-25   
667-442 4 Essex MD   238   2024-02-25   
667-442 8 Essex MD   238   2024-07-29   
667-444 A Baltimore MD BLTMMDCH42Z  238      
667-444 4 Baltimore MD   238   2015-10-15   
667-444 5 Baltimore MD   238   2015-10-15   
667-446 1 Elkridge MD   238   2023-08-10   
667-446 2 Elkridge MD   238   2023-08-10   
667-446 3 Elkridge MD   238   2023-08-10   
667-446 4 Elkridge MD   238   2023-08-10   
667-446 5 Elkridge MD   238   2023-08-10   
667-446 7 Elkridge MD   238   2024-03-09   
667-447 1 Columbia MD   238   2025-09-06   

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

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