ZIP Code 37391 — Turtletown, TN
37391 is a standard (street delivery) ZIP code serving Turtletown, Tennessee, in Polk 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 37391 at a glance
| ZIP code | 37391 |
|---|---|
| Primary city | Turtletown |
| State | Tennessee (TN) |
| County | Polk FIPS 47139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 1,530 |
| Coordinates | 35.090490, -84.353270 |
How ZIP+4 works in 37391
The four digits after the hyphen encode a delivery segment inside 37391. 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 37391 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 37391.
| ZIP | City | Distance |
|---|---|---|
| 37326 | Ducktown, TN | 3.9 mi |
| 37333 | Farner, TN | 4 mi |
| 37317 | Copperhill, TN | 6.5 mi |
| 30555 | Mccaysville, GA | 9.1 mi |
| 37369 | Reliance, TN | 10.2 mi |
| 30559 | Mineral Bluff, GA | 10.7 mi |
| 28906 | Murphy, NC | 12.6 mi |
| 30541 | Epworth, GA | 16 mi |
| 37307 | Benton, TN | 16 mi |
| 37361 | Ocoee, TN | 17 mi |
| 30560 | Morganton, GA | 17.2 mi |
| 37325 | Delano, TN | 18.1 mi |
Questions about 37391
What is the ZIP+4 code for 37391?
37391 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 37391, you need to look up a specific street address to get them.
What city is 37391?
37391 is assigned to Turtletown, Tennessee, in Polk 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.