Hidalgo, TX is a city located in Hidalgo County, Texas and has a land area of 16.59 square miles (42.97 km2). The water area for the city is 0.55 square miles or 1.42 km2. There is one unique zip code in Hidalgo, Texas and it is 78557. The area code(s) for Hidalgo is 956.
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