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
667-443 A Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-443 9 Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-12-03   
667-444 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-444 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-444 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-445 A Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-445 7 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-23   
667-445 8 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-23   
667-445 9 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-23   
667-446 9 Elkridge MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-447 A Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-447 7 Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-447 9 Columbia MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-448 6 Reisterstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-25   
667-448 7 Reisterstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-450 A Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-450 0 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 1 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 2 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 3 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-01-21   
667-450 4 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 5 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 6 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 8 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-450 9 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-04   
667-452 0 Catonsville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-12-08   
667-453 A Prince Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-453 9 Prince Frederick MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-04   
667-455 3 Edgewood MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-04-25   
667-455 4 Edgewood MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-06-13   
667-455 6 Edgewood MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-31   
667-455 7 Edgewood MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-09-21   
667-458 1 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-06-27   
667-458 5 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-01-19   
667-464 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-05-06   
667-464 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-05-06   
667-464 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-05-06   
667-464 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-05-06   
667-464 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-05-06   
667-465 A Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-03-15   
667-465 0 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-04-26   
667-465 1 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-04-26   
667-465 2 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-04-26   
667-465 3 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-04-26   
667-465 4 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-04-26   
667-465 6 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-10-21   
667-465 7 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-03-15   
667-465 8 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-03-15   
667-465 9 Aberdeen MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2024-03-15   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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