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Area code 904

Area code 904 Jacksonville, Florida

Area code 904 is in Florida, with numbers assigned in Jacksonville, Fernandina Beach, Orange Park and 11 more places. It’s 12:14 AM there now.

State
Florida23 area codes in Florida
Time zone
Eastern12:14 AM there now
Exchanges
78514 places
Overlay
324Same area, 10-digit dialing
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Where area code 904 is

Numbers in 904 are assigned to 14 places in 6 counties: Duval County, Clay County, Nassau County, Bradford County, Baker County and St. Johns County.

Jacksonville holds most of them: 62% of the exchanges.

  • Jacksonville483
  • Fernandina Beach35
  • Orange Park34
  • Jacksonville Beach22
  • Middleburg19
  • Starke14
  • Green Cove Springs13
  • Yulee12
  • Baldwin11
  • Callahan9
  • Macclenny8
  • Hilliard6
  • Lawtey5
  • Hastings5

Phone companies in 904

785 blocks of numbers in 904 are held by 45 phone companies. The most belong to AT&T (215), T-Mobile (131) and AT&T Mobility (72).

A mix: about 33% wireless, 35% local phone and cable and 33% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

904 went into service in 1965.

324 (since 2024) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

119 new exchanges were assigned since 2021, the latest in June 2026.

Calling 904

It’s 12:14 AM Eastern time in 904 right now.

From elsewhere in the U.S., dial 1, 904 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Florida has 23 area codes: 239, 305, 321, 324, 352, 386, 407, 448, 561, 645, 656, 689, 727, 728, 754, 772, 786, 813, 850, 863, 904, 941 and 954.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 904 area code

Map of the 904 area code around Jacksonville, Fernandina Beach and Orange Park, Florida.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 904

Where is area code 904?

In Florida, covering Jacksonville, Fernandina Beach and Orange Park and other places across 6 counties.

What time zone is 904 in?

Eastern time. It was 12:14 AM there when this page loaded.

Is 904 an overlay?

Yes. 324 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 904 numbers?

45 companies hold blocks; the most belong to AT&T, T-Mobile and AT&T Mobility. About 33% of blocks are wireless.

Is 904 running out of numbers?

Not on record. 119 new exchanges have been assigned since 2021.