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 407 Area code 407 is the area code centered principally on Orlando, Florida. It serves all of Orange, Osceola, and Seminole counties, as well as small portions of Volusia and Lake counties.