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: 812

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-812 A Fond du Lac WI MILWWIAU11Z  490J DISH WIRELESS, LLC 356      
920-812 0 Fond du Lac WI   939H COMMIO, LLC 356   2022-08-22   
920-812 1 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 2 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 3 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 4 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 5 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 6 Fond du Lac WI   225C ONVOY, LLC - WI 356   2024-01-08   
920-812 7 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   
920-812 8 Fond du Lac WI   490J DISH WIRELESS, LLC 356   2022-05-16   
920-812 9 Fond du Lac WI   225C ONVOY, LLC - WI 356   2023-08-14   

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

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