Saint Simons Island, GA is a city located in Glynn County, Georgia and has a land area of 53.38 square miles (138.25 km2). The water area for the city is 16.55 square miles or 42.86 km2. There is one unique zip code in Saint Simons Island, Georgia and it is 31522. The area code(s) for Saint Simons Island is 912.
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