Area codes in Jacksonville, Florida
Jacksonville, Florida uses 2 area codes — 904 and 324. The main Jacksonville area code is 904.
Area codes serving Jacksonville
Phone numbers in Jacksonville are written as ten digits — for example (904) 555-0190 — and fall in the Eastern Time zone.
How Jacksonville came to have 2 area codes
The original Jacksonville area code is 904, in service since 1965. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 324 (2024). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Jacksonville now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Palm Coast area codes
- Gainesville area codes
- Daytona Beach area codes
- Ocala area codes
- DeLand area codes
- Sanford area codes
- Valdosta area codes
- Winter Park area codes
More cities in Florida
- Miami area codes
- Orlando area codes
- Tampa area codes
- Fort Lauderdale area codes
- Pensacola area codes
- Tallahassee area codes
- West Palm Beach area codes
- Fort Myers area codes
Frequently asked questions
What is the area code for Jacksonville?
The main area code for Jacksonville, Florida is 904. Jacksonville is now served by 2 area codes in total: 904, 324.
How many area codes does Jacksonville have?
Jacksonville has 2 area codes: 904, 324.
Why does Jacksonville have more than one area code?
As Jacksonville used up the numbers available in its original area code (904, in service since 1965), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Jacksonville number?
Dial all 10 digits — the area code (904 or 324) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.