La Blanca, TX

ZIip code 78558 encompasses Rio Grande City in Starr County, Texas. The area is known for its rich history, including the La Borde House, a historic mansion that now serves as a museum. The zip code also includes the Starr County Courthouse, a notable landmark in the city. With a population of approximately 24,000 residents, this area offers a blend of culture, history, and community.