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.

OCN: 7998 CTC TELCOM, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
715-236 9 Rice Lake WI DLLSWIXADS1  352   2008-12-08   
715-354 5 Birchwood WI DLLSWIXADS1  352   2011-03-25   
715-434 A Rice Lake WI RCLKWI02RS0  352      
715-458 9 Cameron WI DLLSWIXADS1  352   2014-05-30   
715-469 5 Sarona WI RCLKWI02RS0  352   2022-07-10   
715-520 8 Spooner WI DLLSWIXADS1  352   2009-05-17   
715-532 8 Ladysmith WI DLLSWIXADS1  352   2009-05-17   
715-624 0 Hayward WI RCLKWI02RS0  352   2022-07-10   
715-637 A Barron WI BRRNWIAKRS0  352      
715-702 9 Boyceville WI RCLKWI02RS0  352   2022-07-10   
715-731 8 Shell Lake WI RCLKWI02RS0  352   2022-07-10   
715-736 A Rice Lake WI RCLKWI02RS0  352      
715-822 7 Cumberland WI DLLSWIXADS1  352   2011-04-08   
715-925 A Chetek WI CHTKWI01RS0  352      
715-957 1 Stone Lake WI RCLKWI02RS0  352   2022-07-10   
715-962 0 Colfax WI RCLKWI02RS0  352   2022-07-10   
715-979 3 Ashland WI RCLKWI02RS0  352   2022-07-10   
715-986 8 Turtle Lake WI DLLSWIXADS1  352   2009-05-17   
715-989 0 Wheeler WI RCLKWI02RS0  352   2022-07-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.