ZIP Code 37865 — Seymour, TN
37865 is a standard (street delivery) ZIP code serving Seymour, Tennessee, in Sevier 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 37865 at a glance
| ZIP code | 37865 |
|---|---|
| Primary city | Seymour |
| State | Tennessee (TN) |
| County | Sevier FIPS 47155 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 25,074 |
| Coordinates | 35.846090, -83.739740 |
How ZIP+4 works in 37865
The four digits after the hyphen encode a delivery segment inside 37865. 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 37865 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 37865.
| ZIP | City | Distance |
|---|---|---|
| 37920 | Knoxville, TN | 8 mi |
| 37886 | Walland, TN | 8.2 mi |
| 37862 | Sevierville, TN | 8.3 mi |
| 37804 | Maryville, TN | 9.3 mi |
| 37853 | Rockford, TN | 9.5 mi |
| 37914 | Knoxville, TN | 9.8 mi |
| 37863 | Pigeon Forge, TN | 10.7 mi |
| 37764 | Kodak, TN | 11 mi |
| 37915 | Knoxville, TN | 12.4 mi |
| 37929 | Knoxville, TN | 12.7 mi |
| 37902 | Knoxville, TN | 12.9 mi |
| 37916 | Knoxville, TN | 13.1 mi |
Questions about 37865
What is the ZIP+4 code for 37865?
37865 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 37865, you need to look up a specific street address to get them.
What city is 37865?
37865 is assigned to Seymour, Tennessee, in Sevier 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.