Austin, TX

ZIP code 78725 is a mostly low-density area on Austin’s eastern edge, encompassing parts of Hornsby Bend and land along the Colorado River. Its major landmarks include Tesla’s Gigafactory Texas, a large vehicle and battery manufacturing complex, and the Hornsby Bend Bird Observatory, a birding site associated with the Hornsby Bend Biosolids Management Plant. The area also contains agricultural land and newer residential development.