Hargill, TX is a city located in Hidalgo County, Texas and has a land area of 25.86 square miles (66.98 km2). The water area for the city is 0.10 square miles or 0.26 km2. There is one unique zip code in Hargill, Texas and it is 78549. The area code(s) for Hargill is 956.
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