KTSM is a radio station serving the El Paso, Texas area with a News/Talk format. It broadcasts on AM frequency 690 kHz. It has a transmitter in the extreme north end of El Paso, and its studios are located along Mesa Drive in west central El Paso.
Historically, the station's frequency was 1380 AM, however, while under the ownership of iHeartMedia, Inc. (formerly Clear Channel Communications), the station swapped frequencies with KHEY, the market's last AM country station in the year 2000.
Coordinates: 31°58′11″N 106°21′15″W / 31.96972°N 106.35417°W / 31.96972; -106.35417