Crystal City, TX

ZIP code 78839 is centered on Crystal City, the seat of Zavala County in South Texas, amid a largely agricultural region known for vegetable production, particularly spinach. Notable local landmarks include the Zavala County Courthouse and a Popeye statue reflecting the city’s association with spinach growing. The former Crystal City Internment Camp site commemorates the World War II detention of civilians and families of Japanese, German, and Italian heritage.