Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 757 [Rate centres in NPA 757] [Dial plan for NPA 757]

NXX: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-688 A Newport News Zone 1 VA NWNWVACRDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252      

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

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