Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-758 A NTBGWIXADSA  0896 LAKEFIELD TEL. CO. 356      
920-874 A MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356      
920-874 1 MILWWI45XIX  318J COMCAST IP PHONE, LLC 356   2023-05-10   
920-874 3 MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2024-04-27   
920-874 7 MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356   2022-04-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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