Edinburg, TX

ZIP code 78540 serves part of Edinburg in Hidalgo County, within the Rio Grande Valley. The area includes residential neighborhoods, businesses, and open land. Major landmarks in the wider Edinburg area include the Museum of South Texas History, the Hidalgo County Courthouse, and the University of Texas Rio Grande Valley’s Edinburg campus; these are nearby civic, cultural, and educational destinations rather than necessarily within the ZIP code itself.