ZIP Code 37731 — Eidson, TN
37731 is a standard (street delivery) ZIP code serving Eidson, Tennessee, in Hawkins 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 37731 at a glance
| ZIP code | 37731 |
|---|---|
| Primary city | Eidson |
| State | Tennessee (TN) |
| County | Hawkins FIPS 47073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 564 |
| Coordinates | 36.543830, -83.008730 |
How ZIP+4 works in 37731
The four digits after the hyphen encode a delivery segment inside 37731. 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 37731 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 37731.
| ZIP | City | Distance |
|---|---|---|
| 37765 | Kyles Ford, TN | 3.7 mi |
| 24221 | Blackwater, VA | 6.3 mi |
| 37873 | Surgoinsville, TN | 9 mi |
| 37857 | Rogersville, TN | 9.2 mi |
| 24263 | Jonesville, VA | 11.8 mi |
| 37869 | Sneedville, TN | 13.3 mi |
| 24277 | Pennington Gap, VA | 14.2 mi |
| 37642 | Church Hill, TN | 15.7 mi |
| 24244 | Duffield, VA | 16.4 mi |
| 24243 | Dryden, VA | 17.1 mi |
| 37811 | Mooresburg, TN | 17.3 mi |
| 37711 | Bulls Gap, TN | 18.2 mi |
Questions about 37731
What is the ZIP+4 code for 37731?
37731 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 37731, you need to look up a specific street address to get them.
What city is 37731?
37731 is assigned to Eidson, Tennessee, in Hawkins 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.