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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-524 A Salisbury MD   071F BANDWIDTH.COM CLEC, LLC - MD 242   2025-10-05   
667-524 0 Salisbury MD   071F BANDWIDTH.COM CLEC, LLC - MD 242   2025-10-05   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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