Hallettsville, TX is a city located in Lavaca County, Texas and has a land area of 599.80 square miles (1,553.48 km2). The water area for the city is 0.69 square miles or 1.79 km2. There is one unique zip code in Hallettsville, Texas and it is 77964. The area code(s) for Hallettsville is 361/979.
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