Nassau County, Florida
5 ZIP codes · 648.68 sq mi of land · FIPS 12089
| Population | 97,859 |
|---|---|
| State | Florida |
| FIPS code | 12089 |
| Time zone | Eastern |
| Land area | 648.68 sq mi |
| Center (lat, long) | 30.6060, -81.7651 |
Area codes in this area
These are the area codes that most often serve Nassau County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
ZIP codes in Nassau County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.