Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 5489 LEVEL 3 COMMUNICATIONS, LLC - WI

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
920-953 8 Valders WI MILWWIDK6MD  356   2022-05-03   
920-975 7 Wayside WI GNBYWIEL1MD  350   2014-11-25   
920-984 7 Black Creek WI GNBYWIEL1MD  350   2014-11-25   
920-987 7 Poy Sippi WI GNBYWIEL1MD  350   2014-11-25   
920-990 7 Ripon WI GNBYWIEL1MD  350   2023-03-09   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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