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: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-430 A Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-430 0 Pikesville MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-14   
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   
667-430 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-06-09   
667-430 8 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-06-09   
667-430 9 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-06-09   

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

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