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.
Area code 239 239 is the North American telephone area code for a large area of Southwest Florida. It includes Lee and Collier counties, small parts of Hendry and Charlotte counties and the Everglades National Park in Mainland Monroe County. It was created in 2003 as an area code split from area code 941.