What is the zip code that includes the metropolitan area of Jacksonville, Florida?
Area code 904 Area Code 904 is the telephone area code in use for most of the First Coast (northeast) region of the state of Florida, including all of the metropolitan area of Jacksonville. It includes all of Duval County, St. Johns County, Nassau County, Baker County and Clay County.
Folkston, Georgia Folkston is a city in and the county seat of Charlton County, Georgia, United States. Folkston is in the Jacksonville Metropolitan Area. The population was 4,148 as of the 2010 census, up from 2,178 in 2000, largely due to the extension of the city boundary to include D. Ray James Prison.