Harlingen, TX

ZIP code 78552 is located in Olmito, Texas, with a population of over 10,000 residents. The area is home to popular landmarks such as the Palo Alto Battlefield National Historic Park, where the first major battle of the Mexican-American War took place in 1846. Additionally, residents and visitors can enjoy the nearby Resaca de la Palma State Park, offering opportunities for outdoor recreation and birdwatching.