ZIP Code 33843 — Frostproof, FL
33843 is a standard (street delivery) ZIP code serving Frostproof, Florida, in Polk 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 33843 at a glance
| ZIP code | 33843 |
|---|---|
| Primary city | Frostproof |
| State | Florida (FL) |
| County | Polk FIPS 12105 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 11,220 |
| Coordinates | 27.731310, -81.510800 |
How ZIP+4 works in 33843
The four digits after the hyphen encode a delivery segment inside 33843. 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 33843 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 33843.
| ZIP | City | Distance |
|---|---|---|
| 33827 | Babson Park, FL | 5.7 mi |
| 33825 | Avon Park, FL | 8.3 mi |
| 33856 | Nalcrest, FL | 10 mi |
| 33855 | Indian Lake Estates, FL | 10.1 mi |
| 33854 | Lakeshore, FL | 10.6 mi |
| 33898 | Lake Wales, FL | 12.4 mi |
| 33853 | Lake Wales, FL | 12.5 mi |
| 33859 | Lake Wales, FL | 12.9 mi |
| 33872 | Sebring, FL | 15.4 mi |
| 33841 | Fort Meade, FL | 15.7 mi |
| 33870 | Sebring, FL | 18.1 mi |
| 33877 | Waverly, FL | 18.9 mi |
Questions about 33843
What is the ZIP+4 code for 33843?
33843 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 33843, you need to look up a specific street address to get them.
What city is 33843?
33843 is assigned to Frostproof, Florida, in Polk 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.