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 lab branch is located inside Oak Ridge National Laboratory as a service to lab employees. Mailing address is: ATTN: Lab Branch 221 S Rutgers Ave, Oak Ridge, TN 37830.