ZIP Code 38478 — Pulaski, TN
38478 is a standard (street delivery) ZIP code serving Pulaski, Tennessee, in Giles 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 38478 at a glance
| ZIP code | 38478 |
|---|---|
| Primary city | Pulaski |
| State | Tennessee (TN) |
| County | Giles FIPS 47055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 18,943 |
| Coordinates | 35.215650, -87.013290 |
How ZIP+4 works in 38478
The four digits after the hyphen encode a delivery segment inside 38478. 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 38478 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 38478.
| ZIP | City | Distance |
|---|---|---|
| 38472 | Lynnville, TN | 11.2 mi |
| 38477 | Prospect, TN | 11.4 mi |
| 38460 | Goodspring, TN | 11.4 mi |
| 38459 | Frankewing, TN | 12 mi |
| 37047 | Cornersville, TN | 12.2 mi |
| 38455 | Elkton, TN | 12.6 mi |
| 38453 | Dellrose, TN | 13 mi |
| 38449 | Ardmore, TN | 15.3 mi |
| 38473 | Minor Hill, TN | 15.7 mi |
| 38456 | Ethridge, TN | 16.4 mi |
| 38468 | Leoma, TN | 16.7 mi |
| 38451 | Culleoka, TN | 17.4 mi |
Questions about 38478
What is the ZIP+4 code for 38478?
38478 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 38478, you need to look up a specific street address to get them.
What city is 38478?
38478 is assigned to Pulaski, Tennessee, in Giles 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.