KBUN is part of the FAN Radio Network, whose in-house programs also can be heard throughout Minnesota, North Dakota, and Wisconsin.

KBUN-AM first went on the air on October 30, 1946, as part of a wave of radio and TV stations that launched after electronics rationing during World War II.

On November 1, 1956, the FCC announced its approval of KBUN's sale to the Ben H. Potter, Jr., family.

[7] In 1989, the Delongs sold KBUN to Louis H. Buron, Jr., who formed Omni Broadcasting as the umbrella company for his radio stations.

[10] On December 10, 2010, Paul Bunyan Broadcasting Co., acquired FM Translator Station K235BP, 94.9 MHz, from Shine the Light, Inc., for $50,000.