Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 274 [Rate centres in NPA 274] [Dial plan for NPA 274]

NXX: 213

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
274-213 A New London WI   6529 T-MOBILE USA, INC. 350   2026-02-05   
274-213 9 New London WI   6529 T-MOBILE USA, INC. 350   2026-02-05   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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