Brownsville, TX

ZIP code 78521 encompasses the city of Brownsville, Texas, a lively community nestled along the Mexico border in the Rio Grande Valley. Key landmarks in this area include the Gladys Porter Zoo, featuring a diverse array of wildlife, and the historic Palo Alto Battlefield National Historical Park, site of the first major battle of the Mexican-American War. The area also boasts numerous parks, museums, and cultural attractions for residents and visitors to enjoy.