904 Area Code — Jacksonville, FL
Area code 904 serves Jacksonville and 2 other cities in Florida. Local time follows America/New_York. It has no overlay codes.
- State
- Florida
- Primary city
- Jacksonville
- Timezone
- America/New_York
- In service since
- 1965
- Type
- Geographic
- Overlay codes
- None
Cities Served by 904
The 904 area code covers 3 cities and communities in Florida.
- Jacksonville
- Saint Augustine
- Orange Park
About Area Code 904
Area code 904 is a North American Numbering Plan (NANP) area code that has been in service since 1965. It is administered by NANPA on behalf of the FCC and serves the Florida region anchored on Jacksonville.
904 is currently a single-coverage geographic area code with no overlays. This means a 7-digit number in this area code is unique within its rate centers, though best-practice is always to dial the full 10-digit number when contacting a 904 line.
Mobile numbers in 904 are portable: a person who moved away from Jacksonville may still carry a 904 mobile number on their device. If you receive an unexpected call from a 904 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Florida, you may also interact with neighbouring or overlay codes. See the related codes section below to explore the rest of Florida.
Other Florida Area Codes
Continue exploring the Florida numbering plan.
904 Area Code FAQ
Where is area code 904?
Area code 904 is located in Florida, primarily serving Jacksonville and surrounding cities including Saint Augustine, Orange Park. The region operates on ET (America/New_York) time.
What state is 904 area code?
904 is a Florida area code. It was put into service in 1965 and has no overlay codes — it covers its geographic area exclusively.
Is 904 a scam area code?
904 is a legitimate North American area code allocated by NANPA to Florida. Like any geographic area code, scammers sometimes spoof 904 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 904 use?
Area code 904 operates on ET (America/New_York). Numbers in this area code follow standard Florida time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 904 phone number?
Yes. Use the reverse lookup widget above to enter a full 904 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.