Swansboro, NC is a city located in Onslow County, North Carolina and has a land area of 33.92 square miles (87.85 km2). The water area for the city is 7.83 square miles or 20.28 km2. There is one unique zip code in Swansboro, North Carolina and it is 28584. The area code(s) for Swansboro is 252/910.
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