Winnsboro, SC is a city located in Fairfield County, South Carolina and has a land area of 307.82 square miles (797.25 km2). The water area for the city is 2.83 square miles or 7.33 km2. There is one unique zip code in Winnsboro, South Carolina and it is 29180. The area code(s) for Winnsboro is 803.
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