Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Aurora, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
715-589 A NIGRWIXADS1  0920 NIAGARA TEL. CO. 342      
715-589 0   0920 NIAGARA TEL. CO. 342      
715-589 1   0920 NIAGARA TEL. CO. 342      
715-589 2   0920 NIAGARA TEL. CO. 342      
715-589 3   0920 NIAGARA TEL. CO. 342      
715-589 4   0920 NIAGARA TEL. CO. 342      
715-589 5   0920 NIAGARA TEL. CO. 342      
715-589 6   0920 NIAGARA TEL. CO. 342      
715-589 7   0920 NIAGARA TEL. CO. 342      
715-589 8   792K CHARTER IP ENABLED SERVICES, LLC 342   2018-03-15   
715-589 9   0920 NIAGARA TEL. CO. 342      

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

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