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: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-532 A Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-12-26   
667-532 0 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2025-12-26   
667-532 2 Parkville MD   876D ONVOY, LLC - MD 238   2026-09-19   
667-532 6 Parkville MD   876D ONVOY, LLC - MD 238   2026-08-21   
667-532 7 Parkville MD   876D ONVOY, LLC - MD 238   2026-08-21   
667-532 8 Parkville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-04-20   
667-532 9 Parkville MD CLMAMDORAMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-01-14   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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