Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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New Auburn, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
534-321 A EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352      
534-321 0 UNECWIACGT0  3839 CHARTER FIBERLINK, LLC - WI 352   2020-05-04   
534-321 7 EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2015-08-17   
715-237 A NABNWIXADSA  0863 CITIZENS TEL. COOP., INC. 352      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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