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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-510 A Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 0 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 1 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 2 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 3 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 4 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 5 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 6 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 8 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-510 9 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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