Area Code 904: Jacksonville, Florida
904 is a telephone area code serving Florida, including Jacksonville. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 904 are located in Florida, United States (NANP region: Northeast). The code covers Jacksonville.
How to Dial Area Code 904
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 904 XXX-XXXX (10-digit dialing: 904 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 904 XXX XXXX |
| From Australia | 0011 1 904 XXX XXXX |
| From a mobile phone anywhere | +1 904 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 904 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 904
Calls to a 904 number ring in the America/New_York time zone, standard offset UTC-05:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Note: the Florida Panhandle west of the Apalachicola River uses Central time, one hour behind.
Cities and Communities Served by 904
The following places fall inside the 904 calling area:
Other Area Codes in Florida
These codes also serve Florida. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
| Area Code | Cities / Coverage |
|---|---|
| 239 | Fort Myers, Naples |
| 305 | Miami, Key West |
| 321 | Orlando, Cape Canaveral |
| 352 | Gainesville, Ocala |
| 386 | Daytona Beach |
| 407 | Orlando |
| 448 | Tallahassee (overlay for 850) |
| 561 | West Palm Beach |
| 645 | Miami (overlay for 305/786) |
| 656 | Tampa (overlay for 813) |
| 727 | St. Petersburg, Clearwater |
| 728 | West Palm Beach (overlay for 561) |
| 754 | Fort Lauderdale (overlay) |
| 772 | Port St. Lucie, Vero Beach |
See all 21 area codes in Florida →
Frequently Asked Questions
Where is area code 904?
Area code 904 is in Florida, United States. It covers Jacksonville.
What time zone is area code 904 in?
Area code 904 rings in the America/New_York time zone (UTC-05:00 standard).
Do I need to dial 1 before area code 904?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 904, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 904.
Is area code 904 toll-free?
No. 904 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.