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.

Brooks, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-500 A MDSRWIKEAMD  965H FRACTEL, LLC 354      
608-500 0   965H FRACTEL, LLC 354   2020-12-17   
608-500 5   965H FRACTEL, LLC 354   2020-12-17   
608-500 8   145J TERRA NOVA TELECOM INC. 354   2025-08-10   
608-584 A OXFRWIXADS2  0908 MARQUETTE-ADAMS TEL. COOP., INC. 354      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.