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.

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      
920-874 3 MILWWIAU11Z  490J DISH WIRELESS, LLC 356      
920-874 7 MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.