Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-813 A Gillett WI   793K TWC IP ENABLED SERVICES, LLC 350      
920-813 1 Gillett WI   793K TWC IP ENABLED SERVICES, LLC 350   2023-05-28   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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