Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 276 [Rate centres in NPA 276] [Dial plan for NPA 276]

NXX: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
276-340 A Collinsville VA RCMTVAXA5MD  6283 UNITED STATES CELLULAR - VA 244      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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