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.

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-874 A Newtonburg WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356      
920-874 1 Newtonburg WI MILWWI45XIX  318J COMCAST IP PHONE, LLC 356   2023-05-10   
920-874 3 Newtonburg WI MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2024-04-27   
920-874 7 Newtonburg WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356   2022-04-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.