KUPI-FM is a commercial country music station on 99.1 FM serving Idaho Falls and eastern Idaho. Licensed to Rexburg, Idaho, and owned by Sand Hill Media Corp., it is branded "99 KUPI" and simulcasts on KQPI 99.5 FM (Aberdeen) and KUPY 99.9 FM (Sugar City), with a classic country HD Radio subchannel, KUPI Legends.
