ZIP Code 38237 — Martin, TN
38237 is a standard (street delivery) ZIP code serving Martin, Tennessee, in Weakley 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 38237 at a glance
| ZIP code | 38237 |
|---|---|
| Primary city | Martin |
| State | Tennessee (TN) |
| County | Weakley FIPS 47183 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 15,627 |
| Coordinates | 36.364060, -88.831620 |
How ZIP+4 works in 38237
The four digits after the hyphen encode a delivery segment inside 38237. 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 38237 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 38237.
| ZIP | City | Distance |
|---|---|---|
| 38257 | South Fulton, TN | 7.5 mi |
| 38255 | Sharon, TN | 8.8 mi |
| 38225 | Dresden, TN | 9 mi |
| 38226 | Dukedom, TN | 12.2 mi |
| 42041 | Fulton, KY | 12.8 mi |
| 38253 | Rives, TN | 13.4 mi |
| 38241 | Palmersville, TN | 14.2 mi |
| 42085 | Water Valley, KY | 14.3 mi |
| 38230 | Greenfield, TN | 14.7 mi |
| 38229 | Gleason, TN | 15.8 mi |
| 38233 | Kenton, TN | 16.2 mi |
| 38261 | Union City, TN | 16.5 mi |
Questions about 38237
What is the ZIP+4 code for 38237?
38237 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 38237, you need to look up a specific street address to get them.
What city is 38237?
38237 is assigned to Martin, Tennessee, in Weakley 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.