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: RCLKWIXB6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-788 A Rice Lake WI 508J CENTURYLINK COMMUNICATIONS, LLC 352      
715-788 7 Rice Lake WI 508J CENTURYLINK COMMUNICATIONS, LLC 352   2014-11-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.