Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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      
534-321 7 EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352      
715-237 A NABNWIXADSA  0863 CITIZENS TEL. COOP., INC. 352      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.