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: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-253 A Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 0 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 1 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 2 Watertown WI   225C ONVOY, LLC - WI 356   2015-05-10   
920-253 3 Watertown WI   6274 UNITED STATES CELLULAR - WI 356   2016-01-08   
920-253 4 Watertown WI   225C ONVOY, LLC - WI 356   2021-06-03   
920-253 5 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 6 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 7 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 8 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      
920-253 9 Watertown WI   6274 UNITED STATES CELLULAR - WI 356      

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

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