Local Calling Guide

Area code/prefix search

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Forestville, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-856 A FSVLWIXADS0  0884 BRIGHTSPEED OF NORTHEASTERN WISCONSIN, LLC 350      
920-856 0 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2018-10-25   
920-856 2   145J TERRA NOVA TELECOM INC. 350   2025-07-12   
920-856 4 GNBYWI01XHX  624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-856 5 MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-12   
920-856 6 FSVLWIXADS0  0884 BRIGHTSPEED OF NORTHEASTERN WISCONSIN, LLC 350      
920-856 7 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-25   
920-856 8 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-03-29   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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