Fort Walton Beach, FL is a city located in Okaloosa County, Florida and has a land area of 41.07 square miles (106.37 km2). The water area for the city is 7.89 square miles or 20.44 km2. There are 3 total unique zip codes in Fort Walton Beach, Florida. The area code(s) for Fort Walton Beach is 850.
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