La Blanca, TX is a city located in Hidalgo County, Texas and has a land area of 0.77 square miles (1.99 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in La Blanca, Texas and it is 78558. The area code(s) for La Blanca is 956.
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