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.

Endeavor, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-587 A OXFRWIXADS2  0908 MARQUETTE-ADAMS TEL. COOP., INC. 354      
608-926 A MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354      
608-926 1 FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354   2023-06-18   
608-926 2 MDSRWIKE5MD  516J TON80 COMMUNICATIONS, LLC 354   2022-03-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.