ZIP Code 31421 — Savannah, GA
31421 is a standard (street delivery) ZIP code serving Savannah, Georgia, in Chatham 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 31421 at a glance
| ZIP code | 31421 |
|---|---|
| Primary city | Savannah |
| State | Georgia (GA) |
| County | Chatham FIPS 13051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 16 |
| Coordinates | 32.087120, -81.080160 |
How ZIP+4 works in 31421
The four digits after the hyphen encode a delivery segment inside 31421. 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 31421 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 Savannah
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 31421.
| ZIP | City | Distance |
|---|---|---|
| 31401 | Savannah, GA | 1.5 mi |
| 31415 | Savannah, GA | 2.7 mi |
| 31404 | Savannah, GA | 3 mi |
| 31408 | Savannah, GA | 6.2 mi |
| 31405 | Savannah, GA | 6.4 mi |
| 31409 | Savannah, GA | 6.9 mi |
| 31410 | Savannah, GA | 7 mi |
| 31406 | Savannah, GA | 7.5 mi |
| 31407 | Port Wentworth, GA | 9.6 mi |
| 31322 | Pooler, GA | 10.4 mi |
| 31411 | Savannah, GA | 10.5 mi |
| 29927 | Hardeeville, SC | 10.9 mi |
Questions about 31421
What is the ZIP+4 code for 31421?
31421 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 31421, you need to look up a specific street address to get them.
What city is 31421?
31421 is assigned to Savannah, Georgia, in Chatham 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.