Jacksonville, Florida

Where Is Area Code 904?

Area code 904 is in northeastern Florida. It serves Jacksonville and nearby communities along the Atlantic coast and inland parts of the First Coast region.

Area code 904 covers all of Duval County, where Jacksonville is located. It also serves parts of Clay, Nassau, and St. Johns counties. Major communities in the 904 area include Jacksonville, Jacksonville Beach, Atlantic Beach, Neptune Beach, Orange Park, Green Cove Springs, Fernandina Beach, St. Augustine, and St. Augustine Beach.

This area includes the St. Johns River, the Atlantic coastline, and some of Florida’s oldest and most visited historic areas. Notable places in the region include downtown Jacksonville, Naval Air Station Jacksonville, Mayport Naval Station, and the historic city of St. Augustine.

History of Area Code 904

Area code 904 was created in 1965. It was split from area code 305, which had originally covered the entire state of Florida.

Area code 904 once covered a much larger part of northern Florida. In 1995, area code 352 split off from 904. In 1997, area code 850 split off from 904. These changes happened as population growth and increased demand for phone numbers expanded across North Florida. Area code 904 is not an overlay. It remains the main geographic area code for Jacksonville and nearby northeastern Florida communities.

Key Facts About Area Code 904

• Area code 904 is a Florida area code, and Jacksonville is its largest city.
• Area code 904 is in the Eastern Time Zone.
• Area code 904 was created in 1965 from a split of Florida’s original 305 area code.
• Area code 904 is a geographic area code, not a toll-free code.
• Area code 904 serves all of Duval County and parts of Clay, Nassau, and St. Johns counties.
• Area code 904 covers part of Florida’s First Coast region, including Jacksonville and St. Augustine.
• St. Augustine, in the 904 area, was founded in 1565 and is widely recognized as the oldest continuously occupied European-established settlement in the continental United States.
• Jacksonville, in the 904 area, is home to Jacksonville University, the University of North Florida, and Naval Air Station Jacksonville.

Frequently Asked Questions

What state is area code 904 in?

Area code 904 is in Florida.

What major cities use area code 904?

Major cities and communities in area code 904 include Jacksonville, St. Augustine, Jacksonville Beach, Atlantic Beach, Neptune Beach, Orange Park, Green Cove Springs, and Fernandina Beach.

Is area code 904 a toll-free number?

No. Area code 904 is a geographic area code for northeastern Florida.