Aynor, SC is a city located in Horry County, South Carolina and has a land area of 57.07 square miles (147.81 km2). The water area for the city is 0.06 square miles or 0.16 km2. There is one unique zip code in Aynor, South Carolina and it is 29511. The area code(s) for Aynor is 843.
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