Weslaco, TX

ZIP code 78596 covers much of Weslaco, a city in Hidalgo County in South Texas’s Lower Rio Grande Valley. Notable local sites include Estero Llano Grande State Park, a wetlands and wildlife refuge; the Weslaco Museum, which documents regional history; the Valley Nature Center; and Frontera Audubon Society’s Thicket, a birding and nature area. Weslaco’s central business district is another recognizable local destination.