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.

Switch: EUCLWIFG3MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-438 5 Chippewa Falls WI 520K TDS METROCOM, LLC 352   2023-04-27   
715-471 A Eau Claire WI 520K TDS METROCOM, LLC 352      
715-471 2 Eau Claire WI 520K TDS METROCOM, LLC 352   2023-04-27   
715-578 1 Menomonie WI 520K TDS METROCOM, LLC 352   2023-06-01   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.