ZIP Code 37730 — Eagan, TN
37730 is a standard (street delivery) ZIP code serving Eagan, Tennessee, in Claiborne 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 37730 at a glance
| ZIP code | 37730 |
|---|---|
| Primary city | Eagan |
| State | Tennessee (TN) |
| County | Claiborne FIPS 47025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 33 |
| Coordinates | 36.568370, -83.973570 |
How ZIP+4 works in 37730
The four digits after the hyphen encode a delivery segment inside 37730. 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 37730 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 37730.
| ZIP | City | Distance |
|---|---|---|
| 37715 | Clairfield, TN | 1.3 mi |
| 40940 | Frakes, KY | 3.8 mi |
| 37729 | Duff, TN | 5 mi |
| 37762 | Jellico, TN | 8.3 mi |
| 40763 | Siler, KY | 8.4 mi |
| 37851 | Pruden, TN | 10 mi |
| 37870 | Speedwell, TN | 10.5 mi |
| 37766 | La Follette, TN | 12.9 mi |
| 37819 | Newcomb, TN | 13.2 mi |
| 40965 | Middlesboro, KY | 13.8 mi |
| 40769 | Williamsburg, KY | 14.8 mi |
| 40995 | Trosper, KY | 15.2 mi |
Questions about 37730
What is the ZIP+4 code for 37730?
37730 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 37730, you need to look up a specific street address to get them.
What city is 37730?
37730 is assigned to Eagan, Tennessee, in Claiborne 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.