The 160,000+ members of ORNL FCU account for over $2.0 billion in assets. Our Community Credit Union provides financial services to anyone who lives, works, worships, or attends school in the 16 counties of Central East Tennessee. The Karns Branch features a drive thru service with extended hours Monday through Thursday open from 8:30AM - 5:30PM and 8:30AM - 6:00PM on Friday.