ZIP Code 38240 — Obion, TN
38240 is a standard (street delivery) ZIP code serving Obion, Tennessee, in Obion 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 38240 at a glance
| ZIP code | 38240 |
|---|---|
| Primary city | Obion |
| State | Tennessee (TN) |
| County | Obion FIPS 47131 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,620 |
| Coordinates | 36.250910, -89.320450 |
How ZIP+4 works in 38240
The four digits after the hyphen encode a delivery segment inside 38240. 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 38240 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 38240.
| ZIP | City | Distance |
|---|---|---|
| 38232 | Hornbeak, TN | 6.7 mi |
| 38259 | Trimble, TN | 8.3 mi |
| 38254 | Samburg, TN | 8.6 mi |
| 38007 | Bogota, TN | 8.9 mi |
| 38077 | Wynnburg, TN | 10.1 mi |
| 38260 | Troy, TN | 10.2 mi |
| 38059 | Newbern, TN | 10.6 mi |
| 38080 | Ridgely, TN | 11.7 mi |
| 38079 | Tiptonville, TN | 14 mi |
| 38253 | Rives, TN | 15 mi |
| 38389 | Yorkville, TN | 15.1 mi |
| 38024 | Dyersburg, TN | 15.2 mi |
Questions about 38240
What is the ZIP+4 code for 38240?
38240 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 38240, you need to look up a specific street address to get them.
What city is 38240?
38240 is assigned to Obion, Tennessee, in Obion 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.