It rebroadcasts four secondary digital subchannels of ABC affiliate KMGH-TV (channel 7), including Ion Mystery on 7.3 and Laff on 7.4.
KZCO-LD shares a channel with KLPD-LD (channel 28), owned by Syncom Media Group, and transmits from atop Lookout Mountain, near Golden; its parent station maintains studios on Delgany Street in Denver's River North Art District.
In 2005, the McGraw-Hill Company, owner of KMGH-TV, acquired KZCO-LP and used it as one of several transmitters for a regional Azteca América service, broadcast from transmitters in Denver (KZCO-LP), Windsor for Fort Collins and Greeley (KZFC-LD), and Colorado Springs (KZCS-LD).
[4] On October 3, 2011, McGraw-Hill announced that it would exit from broadcasting and sell KMGH-TV, KZCO-LP and its other television stations to the E. W. Scripps Company.
[7][8] In early 2021, the simulcast of KMGH-TV's main channel moved to a subchannel of KSBS-CD, a translator of KCDO-TV.