ZIP Code 33890 — Zolfo Springs, FL
33890 is a standard (street delivery) ZIP code serving Zolfo Springs, 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 33890 at a glance
| ZIP code | 33890 |
|---|---|
| Primary city | Zolfo Springs |
| State | Florida (FL) |
| County | Hardee FIPS 12049 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 5,197 |
| Coordinates | 27.455800, -81.683540 |
How ZIP+4 works in 33890
The four digits after the hyphen encode a delivery segment inside 33890. 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 33890 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 33890.
| ZIP | City | Distance |
|---|---|---|
| 33873 | Wauchula, FL | 9.3 mi |
| 33872 | Sebring, FL | 10 mi |
| 33875 | Sebring, FL | 12 mi |
| 33865 | Ona, FL | 17.2 mi |
| 33834 | Bowling Green, FL | 18.8 mi |
| 33825 | Avon Park, FL | 18.9 mi |
| 34266 | Arcadia, FL | 19.2 mi |
| 33870 | Sebring, FL | 20.1 mi |
| 33841 | Fort Meade, FL | 20.1 mi |
| 33876 | Sebring, FL | 20.5 mi |
| 33843 | Frostproof, FL | 21.8 mi |
| 33852 | Lake Placid, FL | 23.1 mi |
Questions about 33890
What is the ZIP+4 code for 33890?
33890 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 33890, you need to look up a specific street address to get them.
What city is 33890?
33890 is assigned to Zolfo Springs, 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.