KMOX (1120 AM) is a commercial radio station in St. Louis, Missouri, owned by Audacy, Inc. and freaturing a talk format. The station is a 50,000 watt Class A clear-channel station with a non-directional signal. The KMOX studios and offices are on Olive Street at Tucker Boulevard in the Park Pacific Building in St. Louis. KMOX refers to itself as "The Voice of St. Louis".
KMOX's transmitter is located off Route 162 in Pontoon Beach, Illinois. KMOX's nighttime signal can be heard across most of the United States and into Mexico and Canada. However, it is strongest in the Central United States. Its daytime signal provides at least secondary coverage to most of Eastern Missouri and much of Southern Illinois.