XHXR-FM is a radio station on 100.5 FM in Ciudad Valles, San Luis Potosí.

XEXR-AM 1260 received its concession on May 5, 1968.

XEXR received approval to migrate to FM on 106.9 FM in February 2011.

The station moved to 100.5 on July 5, 2018; the frequency change was a condition of its concession renewal and clears the 106-108 MHz sub-band for community and indigenous radio stations.

This article about a radio station in San Luis Potosí is a stub.