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
667-409 4 Parkville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 1 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 2 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 3 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 4 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 5 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 6 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-410 7 Severn MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-413 2 Armiger-Gibson Island MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-417 6 Glen Burnie MD 876D ONVOY, LLC - MD 238   2024-02-25   
667-417 7 Glen Burnie MD 876D ONVOY, LLC - MD 238   2024-02-25   
667-421 2 Columbia MD 876D ONVOY, LLC - MD 238   2024-02-25   
667-421 3 Columbia MD 876D ONVOY, LLC - MD 238   2024-02-25   
667-423 0 Annapolis MD 876D ONVOY, LLC - MD 238   2024-02-19   
667-423 1 Annapolis MD 876D ONVOY, LLC - MD 238   2024-02-19   
667-423 2 Annapolis MD 876D ONVOY, LLC - MD 238   2024-02-19   
667-423 5 Annapolis MD 876D ONVOY, LLC - MD 238   2023-06-16   
667-423 6 Annapolis MD 876D ONVOY, LLC - MD 238   2023-02-23   
667-423 7 Annapolis MD 876D ONVOY, LLC - MD 238   2023-02-23   
667-423 8 Annapolis MD 876D ONVOY, LLC - MD 238   2023-02-23   
667-424 0 Odenton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-424 6 Odenton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-424 7 Odenton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-424 8 Odenton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-424 9 Odenton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-425 5 Baltimore MD 876D ONVOY, LLC - MD 238   2023-06-16   
667-425 6 Baltimore MD 876D ONVOY, LLC - MD 238   2023-06-16   
667-426 A Taneytown MD 876D ONVOY, LLC - MD 238      
667-426 0 Taneytown MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-426 1 Taneytown MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-426 5 Taneytown MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-426 6 Taneytown MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-426 7 Taneytown MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-426 9 Taneytown MD 876D ONVOY, LLC - MD 238   2024-04-19   
667-427 A West River MD 876D ONVOY, LLC - MD 238      
667-427 1 West River MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-427 2 West River MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-427 5 West River MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-427 6 West River MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-430 1 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-430 2 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-430 3 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-430 4 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-430 5 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-430 6 Pikesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-431 1 Arbutus MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-431 2 Arbutus MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-431 3 Arbutus MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-431 4 Arbutus MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-431 5 Arbutus MD 876D ONVOY, LLC - MD 238   2023-08-10   

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

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