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
534-201 A Cameron WI 7575 CENTURYLINK COMMUNICATIONS LLC 352      
534-201 7 Cameron WI 7575 CENTURYLINK COMMUNICATIONS LLC 352   2017-12-15   
715-788 A Rice Lake WI 7575 CENTURYLINK COMMUNICATIONS LLC 352      
715-788 7 Rice Lake WI 7575 CENTURYLINK COMMUNICATIONS LLC 352   2014-11-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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