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US area code · Florida

904 area code

Where the 904 area code is, its overlay and how to dial a +1 904 number from anywhere.

CoversJacksonville, FloridaTime zoneEastern (ET)TypeOverlay
Quick answer

The 904 area code is in Jacksonville, Florida, United States (Eastern (ET)). To call from abroad: +1 904 555-0123. It is an overlay, so all 10 digits are dialled.

StateFlorida
Main areaJacksonville
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1965

The 904 area code is a geographic North American Numbering Plan (NANP) code covering Jacksonville, Florida. It has been in service since 01-Jan-1965 and sits in the Eastern (ET) time zone.

Overlay 904 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

904324

How to dial a 904 number

From abroad+1 904 555-0123
Within the US / Canada1 904 555-0123
Locally (same area)904 555-0123

Cities in the 904 area code

A 904 number is usually in one of these places in Florida — 2 counties.

Jacksonville Duval;Saint JohnsJacksonville Beach DuvalLakeside

Other Florida area codes

239305321324352386407448561645656689727728754772

Frequently asked questions

Where is the 904 area code?

The 904 area code is in Jacksonville, Florida, United States (Eastern (ET)).

Is 904 an overlay area code?

Yes. 904 overlays the same region as 324, so callers dial all 10 digits.

Do I have to dial 10 digits for 904?

Yes — dial the area code plus the seven-digit number.

How do I call a 904 number from another country?

Dial your exit code (or +), then 1, then 904, then the number: +1 904 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 904 number does not pinpoint a street or ZIP code.

Number holders in area code 904

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 904, shared by 54 companies. The largest holders:

CompanyPrefixesShare
Bellsouth Telecomm Inc Dba Southern Bell Tel & Tel21527%
Powertel Jacksonville Licenses, Inc.8811%
New Cingular Wireless PCS, LLC729%
Cellco Partnership Dba Verizon Wireless537%
Onvoy, LLC516%
Paetec Itel, LLC405%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 904 numbers

Reports to the FTC, last 30 days
1,388
Recorded messages or robocalls
54%
Rank among area codes
#15 of 670
Most reported subjects
Other (601)
Dropped call or no message (310)
Reducing your debt (credit cards, mortgage, student loans) (167)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 904 — cities & rate centres

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