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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-667 A Pikesville MD   876D ONVOY, LLC - MD 238   2025-10-16   
667-667 0 Pikesville MD   876D ONVOY, LLC - MD 238   2025-10-16   
667-667 1 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   
667-667 2 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   
667-667 3 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   
667-667 4 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   
667-667 5 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   
667-667 6 Pikesville MD   876D ONVOY, LLC - MD 238   2025-10-16   
667-667 7 Pikesville MD   876D ONVOY, LLC - MD 238   2025-10-16   
667-667 8 Pikesville MD   876D ONVOY, LLC - MD 238   2025-10-16   
667-667 9 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-02   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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