ZIP Code 34431 — Dunnellon, FL
34431 is a standard (street delivery) ZIP code serving Dunnellon, Florida, in Marion 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 34431 at a glance
| ZIP code | 34431 |
|---|---|
| Primary city | Dunnellon |
| State | Florida (FL) |
| County | Marion FIPS 12083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 9,785 |
| Coordinates | 29.133900, -82.529630 |
How ZIP+4 works in 34431
The four digits after the hyphen encode a delivery segment inside 34431. 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 34431 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.
Other ZIP codes in Dunnellon
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 34431.
| ZIP | City | Distance |
|---|---|---|
| 32668 | Morriston, FL | 9.1 mi |
| 34433 | Dunnellon, FL | 9.5 mi |
| 34449 | Inglis, FL | 9.7 mi |
| 34434 | Dunnellon, FL | 11 mi |
| 34432 | Dunnellon, FL | 11.1 mi |
| 34445 | Holder, FL | 12.9 mi |
| 32639 | Gulf Hammock, FL | 13.3 mi |
| 34481 | Ocala, FL | 13.4 mi |
| 34428 | Crystal River, FL | 13.5 mi |
| 34498 | Yankeetown, FL | 14.1 mi |
| 34465 | Beverly Hills, FL | 14.4 mi |
| 34442 | Hernando, FL | 16.3 mi |
Questions about 34431
What is the ZIP+4 code for 34431?
34431 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 34431, you need to look up a specific street address to get them.
What city is 34431?
34431 is assigned to Dunnellon, Florida, in Marion 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.