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  5. Area Code 904

Where Is Area Code 904?

Area code 904 is found in the US state of Florida. Primarily servicing the city of Jacksonville (population: 824863), area code 904 covers 6 counties of Florida.

Located in the Eastern time zone, area code 904 is on the same time as New York, NY.

Area code 904 was brought into effect on July 11, 1965.

Map of  with area code 904 highlighted

Counties in Area Code 904

  • Baker,
  • Bradford,
  • Clay,
  • Duval,
  • Nassau,
  • Saint Johns.

Most Populous Cities in Area Code 904

City County City Population Time Zone
Jacksonville Duval 824,863 EST
Saint Augustine Saint Johns 117,013 EST
Orange Park Clay 72,996 EST
Middleburg Clay 51,741 EST
Saint Johns Saint Johns 39,277 EST
Fernandina Beach Nassau 31,564 EST
Ponte Vedra Beach Saint Johns 30,849 EST
Fleming Island Clay 27,620 EST
Jacksonville Beach Duval 25,806 EST
Green Cove Springs Clay 25,075 EST
Atlantic Beach Duval 24,093 EST
Yulee Nassau 15,896 EST
Starke Bradford 14,705 EST
Callahan Nassau 14,102 EST
Macclenny Baker 13,414 EST
Hilliard Nassau 9,578 EST
Glen Saint Mary Baker 7,595 EST
Neptune Beach Duval 7,161 EST
Hastings Saint Johns 5,804 EST
Sanderson Baker 5,512 EST
Ponte Vedra Saint Johns 4,813 EST
Elkton Saint Johns 4,381 EST
Lawtey Bradford 4,194 EST
Bryceville Nassau 3,384 EST
Hampton Bradford 1,953 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last modified on July 3, 2015.