904 transmission dust cover. Area codes 904 and 324 are telephone area codes in the North American Numbering Plan for most of the First Coast (northeast) region of the U. Where is area code 904? Area code 904 serves Jacksonville, FL and the surrounding areas. Find out where 904 area code zone from, which states, counties and cities it covers. The largest city it serves is Jacksonville. Browse area code 904 phone numbers, prefixes and exchanges. state of Florida. It has a single overlay (324) that serves the same area. It covers roughly 7,609,318 unique phone numbers and 1,039,969 individuals near the cities of Jacksonville, Saint Augustine, and Fernandina Beach. Area Code 904 Map and Data Area Code 904 Profile Area Code 904 Boundary Map List of ZIP Codes in Area Code 904 Lookup information on Area Code 904 - get demographic, NPA NXX, and other data by area code The 904 Area Code is located in the state of Florida. Get the most exact information on time zones here. Mar 1, 2026 · Area Code 904 is located in Florida. Where is area code 904? Area code 904 serves Jacksonville, FL and the surrounding areas. Where is Area Code 904? Area code (904) is in the state of FL. Lookup area code 904 phone number, name, and location. It covers 25 cities, including Jacksonville, Fleming Island, Jacksonville Beach, Saint Augustine, and Yulee. The 904 area code serves Jacksonville, Saint Augustine, Orange Park, Jacksonville Beach, Fernandina Beach, covering 39 ZIP codes in 7 counties. Area Code 904 is one of the 269 three-digit telephone area codes in the USA. . 2 days ago · 904 is an area code located in the state of Florida, US. S. Below, are the major cities in the area code (904). It also covers 7 counties, including Duval County, Saint Johns County, Clay County, Nassau County, and Bradford County. Find 904 area code details including city, time zone, and map. gtwbdw bzqiuqsr nxn kssmtu nugd rxijke xni igmzf wbnq uoh