What Channel is BYUTV on comcast in Utah? It's on Channel 11. Access BYUtv App on Your TV Box · Pressing the xfinity button on your remote. Comcast also carries BYU Television on channel 21, which is available to all customers and is broadcast in English. BYU TV (stylized as BYUtv) is a television channel, founded in 2000, which is owned and operated as a part of Brigham Young University (BYU). Give Feedback on our new website. See channel lineups for the XFINITY Digital Starter here.