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: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-647 A Wautoma WI MNSHWIDQ1MD  6274 UNITED STATES CELLULAR - WI 350      
920-647 0 Wautoma WI   6274 UNITED STATES CELLULAR - WI 350   2006-07-03   
920-647 1 Wautoma WI   6274 UNITED STATES CELLULAR - WI 350   2014-11-23   
920-647 2 Wautoma WI   6274 UNITED STATES CELLULAR - WI 350   2017-10-09   
920-647 3 Wautoma WI   624H ONVOY SPECTRUM, LLC 350   2021-06-22   
920-647 4 Wautoma WI   6529 T-MOBILE USA, INC. 350   2025-02-24   
920-647 6 Wautoma WI   6274 UNITED STATES CELLULAR - WI 350   2011-09-18   
920-647 7 Wautoma WI   508J CENTURYLINK COMMUNICATIONS, LLC 350   2014-11-24   
920-647 8 Wautoma WI   225C ONVOY, LLC - WI 350   2019-08-29   
920-647 9 Wautoma WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2023-06-17   

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

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