Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Pikesville, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-877 4 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 5 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 6 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 7 BLTMMDSNFMD  939H COMMIO, LLC 238   2022-11-18   
667-877 8 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-12-12   
667-877 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-19   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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