Hilton Head Island, SC is a city located in Beaufort County, South Carolina and has a land area of 49.41 square miles (127.97 km2). The water area for the city is 20.58 square miles or 53.30 km2. There are 4 total unique zip codes in Hilton Head Island, South Carolina. The area code(s) for Hilton Head Island is 843.
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