ZIP Code 31789 — Sumner, GA
31789 is a standard (street delivery) ZIP code serving Sumner, Georgia, in Worth 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 31789 at a glance
| ZIP code | 31789 |
|---|---|
| Primary city | Sumner |
| State | Georgia (GA) |
| County | Worth FIPS 13321 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,470 |
| Coordinates | 31.478580, -83.732570 |
How ZIP+4 works in 31789
The four digits after the hyphen encode a delivery segment inside 31789. 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 31789 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 31789.
| ZIP | City | Distance |
|---|---|---|
| 31795 | Ty Ty, GA | 3.3 mi |
| 31781 | Poulan, GA | 6.7 mi |
| 31793 | Tifton, GA | 8.8 mi |
| 31791 | Sylvester, GA | 9.4 mi |
| 31775 | Omega, GA | 12.5 mi |
| 31744 | Doerun, GA | 14.1 mi |
| 31790 | Sycamore, GA | 15.1 mi |
| 31714 | Ashburn, GA | 16.4 mi |
| 31733 | Chula, GA | 16.5 mi |
| 31794 | Tifton, GA | 16.7 mi |
| 31771 | Norman Park, GA | 17 mi |
| 31705 | Albany, GA | 19 mi |
Questions about 31789
What is the ZIP+4 code for 31789?
31789 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 31789, you need to look up a specific street address to get them.
What city is 31789?
31789 is assigned to Sumner, Georgia, in Worth 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.