ZIP Code 33865 — Ona, FL
33865 is a standard (street delivery) ZIP code serving Ona, Florida, in Hardee County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 33865 at a glance
| ZIP code | 33865 |
|---|---|
| Primary city | Ona |
| State | Florida (FL) |
| County | Hardee FIPS 12049 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 488 |
| Coordinates | 27.429440, -81.962620 |
How ZIP+4 works in 33865
The four digits after the hyphen encode a delivery segment inside 33865. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 33865 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 33865.
| ZIP | City | Distance |
|---|---|---|
| 34251 | Myakka City, FL | 13.3 mi |
| 33834 | Bowling Green, FL | 13.9 mi |
| 33873 | Wauchula, FL | 14.5 mi |
| 33890 | Zolfo Springs, FL | 17.2 mi |
| 34266 | Arcadia, FL | 18.7 mi |
| 34268 | Nocatee, FL | 19.8 mi |
| 34219 | Parrish, FL | 21 mi |
| 34269 | Arcadia, FL | 23.5 mi |
| 34267 | Fort Ogden, FL | 23.5 mi |
| 33841 | Fort Meade, FL | 24.4 mi |
| 34240 | Sarasota, FL | 24.6 mi |
| 33835 | Bradley, FL | 24.8 mi |
Questions about 33865
What is the ZIP+4 code for 33865?
33865 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 33865, you need to look up a specific street address to get them.
What city is 33865?
33865 is assigned to Ona, Florida, in Hardee County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.