ZIP Code 38230 — Greenfield, TN
38230 is a standard (street delivery) ZIP code serving Greenfield, 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 38230 at a glance
| ZIP code | 38230 |
|---|---|
| Primary city | Greenfield |
| State | Tennessee (TN) |
| County | Weakley FIPS 47183 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,765 |
| Coordinates | 36.155920, -88.771540 |
How ZIP+4 works in 38230
The four digits after the hyphen encode a delivery segment inside 38230. 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 38230 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 38230.
| ZIP | City | Distance |
|---|---|---|
| 38316 | Bradford, TN | 6.5 mi |
| 38255 | Sharon, TN | 7.8 mi |
| 38229 | Gleason, TN | 10.1 mi |
| 38369 | Rutherford, TN | 10.9 mi |
| 38225 | Dresden, TN | 12.3 mi |
| 38220 | Atwood, TN | 12.8 mi |
| 38258 | Trezevant, TN | 12.9 mi |
| 38201 | Mckenzie, TN | 13.6 mi |
| 38237 | Martin, TN | 14.7 mi |
| 38235 | Mclemoresville, TN | 15.6 mi |
| 38233 | Kenton, TN | 15.7 mi |
| 38330 | Dyer, TN | 15.8 mi |
Questions about 38230
What is the ZIP+4 code for 38230?
38230 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 38230, you need to look up a specific street address to get them.
What city is 38230?
38230 is assigned to Greenfield, 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.