Knoxville, TN

ZIP code 37928 is located in Knoxville, Tennessee. This area is home to the East Tennessee Technology Park (formerly known as the Oak Ridge Gaseous Diffusion Plant) and the United States Department of Energy facilities. As part of the Oak Ridge Reservation, this ZIP code includes important landmarks such as the K-25 History Center and the X-10 Graphite Reactor, both significant sites in the history of nuclear energy research.