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
667-375 9 Chase MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-378 A Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-378 0 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 1 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 9 Essex MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-379 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-379 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-379 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 6 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 7 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 8 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-379 9 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-380 0 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-380 1 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-380 3 Annapolis MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-01   
667-381 A Parkville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-381 0 Parkville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-06-13   
667-381 7 Parkville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-381 8 Parkville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-381 9 Parkville MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-383 A Towson MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-383 5 Towson MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-383 6 Towson MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-19   
667-383 9 Towson MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-386 A Arbutus MD 5562 METROPCS, INC. 238      
667-386 0 Arbutus MD 5562 METROPCS, INC. 238   2022-02-04   
667-386 2 Arbutus MD 5562 METROPCS, INC. 238   2023-01-28   
667-386 3 Arbutus MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-03-04   
667-386 4 Arbutus MD 5562 METROPCS, INC. 238   2023-03-04   
667-386 5 Arbutus MD 5562 METROPCS, INC. 238   2023-03-24   
667-386 7 Arbutus MD 5562 METROPCS, INC. 238   2023-03-24   
667-386 9 Arbutus MD 5562 METROPCS, INC. 238   2022-02-04   
667-390 A Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-390 1 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-17   
667-390 2 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-17   
667-390 3 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-17   
667-390 5 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-30   
667-390 8 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-22   
667-390 9 Randallstown MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-03-13   
667-391 A Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-391 0 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-391 1 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-391 2 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-391 3 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-391 4 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   
667-391 5 Baltimore MD 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-04-17   

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

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