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: 838

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-838 A Plymouth WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-838 0 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2008-11-06   
920-838 1 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2004-04-09   
920-838 2 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2004-04-09   
920-838 3 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2004-04-09   
920-838 4 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2004-04-09   
920-838 5 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2012-07-12   
920-838 6 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2015-08-01   
920-838 8 Plymouth WI   6274 UNITED STATES CELLULAR - WI 356   2022-06-04   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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