Brownsville, TX

ZIP code 78521 is located in Brownsville, Texas. This area is home to several important landmarks, including the Gladys Porter Zoo, Palo Alto Battlefield National Historical Park, and Resaca de la Palma State Park. The zip code also encompasses the University of Texas Rio Grande Valley and is situated near the Mexico border. With a mix of historical sites, educational institutions, and natural attractions, this area offers a diverse range of experiences for residents and visitors alike.