ZIP Code 38476 — Primm Springs, TN
38476 is a standard (street delivery) ZIP code serving Primm Springs, Tennessee, in Williamson 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 38476 at a glance
| ZIP code | 38476 |
|---|---|
| Primary city | Primm Springs |
| State | Tennessee (TN) |
| County | Williamson FIPS 47187 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,228 |
| Coordinates | 35.843410, -87.209840 |
How ZIP+4 works in 38476
The four digits after the hyphen encode a delivery segment inside 38476. 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 38476 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 38476.
| ZIP | City | Distance |
|---|---|---|
| 37098 | Lyles, TN | 6 mi |
| 38482 | Santa Fe, TN | 6.3 mi |
| 38487 | Williamsport, TN | 8.5 mi |
| 37025 | Bon Aqua, TN | 9.3 mi |
| 37062 | Fairview, TN | 10.8 mi |
| 38454 | Duck River, TN | 11.6 mi |
| 37029 | Burns, TN | 14.1 mi |
| 37064 | Franklin, TN | 14.3 mi |
| 37137 | Nunnelly, TN | 16.6 mi |
| 37179 | Thompsons Station, TN | 16.7 mi |
| 38401 | Columbia, TN | 18.1 mi |
| 37082 | Kingston Springs, TN | 18.3 mi |
Questions about 38476
What is the ZIP+4 code for 38476?
38476 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 38476, you need to look up a specific street address to get them.
What city is 38476?
38476 is assigned to Primm Springs, Tennessee, in Williamson 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.