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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-990 A Ripon WI GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-990 0 Ripon WI   225C ONVOY, LLC - WI 350   2019-12-11   
920-990 1 Ripon WI   623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350   2022-03-06   
920-990 2 Ripon WI   225C ONVOY, LLC - WI 350   2020-09-03   
920-990 3 Ripon WI   225C ONVOY, LLC - WI 350   2020-09-03   
920-990 4 Ripon WI   624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-990 5 Ripon WI   490J DISH WIRELESS, LLC 350   2023-05-06   
920-990 6 Ripon WI   225C ONVOY, LLC - WI 350   2025-11-28   
920-990 7 Ripon WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2023-03-09   
920-990 8 Ripon WI   225C ONVOY, LLC - WI 350   2024-04-19   
920-990 9 Ripon WI   225C ONVOY, LLC - WI 350   2019-12-11   

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

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