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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-291 A Princeton WI MNSHWIDQ1MD  6274 UNITED STATES CELLULAR - WI 350      
920-291 1 Princeton WI   766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-13   
920-291 2 Princeton WI   225C ONVOY, LLC - WI 350   2020-03-26   
920-291 3 Princeton WI   225C ONVOY, LLC - WI 350   2020-03-26   
920-291 4 Princeton WI   6529 T-MOBILE USA, INC. 350   2025-02-22   
920-291 5 Princeton WI   6274 UNITED STATES CELLULAR - WI 350      
920-291 6 Princeton WI   6274 UNITED STATES CELLULAR - WI 350      
920-291 7 Princeton WI   6274 UNITED STATES CELLULAR - WI 350      
920-291 8 Princeton WI   6274 UNITED STATES CELLULAR - WI 350      
920-291 9 Princeton WI   5562 METROPCS, INC. 350   2025-06-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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