San Ygnacio, TX is a city located in Zapata County, Texas and has a land area of 181.20 square miles (469.31 km2). The water area for the city is 2.60 square miles or 6.73 km2. There is one unique zip code in San Ygnacio, Texas and it is 78067. The area code(s) for San Ygnacio is 956.
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