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.
Red Level, Florida Red Level is an unincorporated community in Citrus County, Florida, United States. The ZIP Codes are 34428, which it shares with Crystal River to the southeast, and 34449, which it shares with Inglis to the north in Levy County.