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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-674 A Jefferson WI JFSNWI11RS0  9327 WISCONSIN BELL INC 356      

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

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