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: EUCLWIAU5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
534-544 9 Hudson WI 197D VONAGE AMERICA LLC 352   2023-12-29   
715-481 A Eau Claire WI 197D VONAGE AMERICA LLC 352      
715-481 0 Eau Claire WI 197D VONAGE AMERICA LLC 352   2018-08-12   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.