Area Code 904
Area Code 904 is in Florida
(407 and 321) - (954 and 754) - (305 and 786)
Area Code 904 History:
Area code 904 was put into service. Area code 904 was created from a split of area code 305. In 1995 area code 904 was split to form area code 352. In 1997 area code 904 was split to form area code 850. In 2001 area code 904 was split to form area code 386.
Counties in Florida within area code 904 include:
Baker County, Bradford County, Clay County, Duval County, Nassau County, and Saint Johns County.
Major cities or places in Florida within area code 904 include:
Area code 904 serves northeastern Florida including the Jacksonville metropolitan areas and the major cities of Jacksonville Beach, Lakeside, and St. Augustine in addition to many smaller communities within the area code 904 service area.