Florida Postal Lookup
Florida County ZIP Code Map
Which county is this ZIP code in? Use our interactive lookup tool to instantly identify any Florida postal code's county and jump straight to the correctFlorida county map.
How Florida ZIP codes map to counties
ZIP codes (Zone Improvement Plan codes) are designated by the USPS for mail delivery efficiency, not for political or municipal boundaries. As a result, a single ZIP code can occasionally span across multiple Florida counties.
Our tool uses a multi-layered lookup strategy to provide the most accurate county match:
- Network Lookup: Queries the Zippopotam and FCC APIs for precise coordinate-to-boundary mapping.
- Local Cache: Remembers your frequent searches for instant loading.
- Intelligent Fallback: Uses a hand-curated database of Florida ZIP prefixes (e.g., 331XX for Miami-Dade) when APIs are unreachable.
ZIP range by region
- Jacksonville Area
- 320XX – 322XX
- Tallahassee / Panhandle
- 323XX – 325XX
- Central / Orlando
- 327XX – 328XX
- Tampa / Gulf Coast
- 335XX – 337XX
- Miami / South Florida
- 330XX – 334XX
Developer Resources
Looking for official GIS data or boundary shapefiles? Visit our Methodology page to find links to the Florida Geographic Data Library (FGDL) and Census TIGER/Line resources.