Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-436 A Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-436 0 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-12-14   
667-436 1 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-12-14   
667-436 2 Towson MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-11-20   
667-436 3 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-19   
667-436 4 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-19   
667-436 5 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-19   
667-436 6 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-09-28   
667-436 7 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-436 8 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-10-07   
667-436 9 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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