ZIP Code 38330 — Dyer, TN
38330 is a standard (street delivery) ZIP code serving Dyer, Tennessee, in Gibson 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 38330 at a glance
| ZIP code | 38330 |
|---|---|
| Primary city | Dyer |
| State | Tennessee (TN) |
| County | Gibson FIPS 47053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,793 |
| Coordinates | 36.067500, -89.033160 |
How ZIP+4 works in 38330
The four digits after the hyphen encode a delivery segment inside 38330. 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 38330 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 38330.
| ZIP | City | Distance |
|---|---|---|
| 38389 | Yorkville, TN | 5.5 mi |
| 38369 | Rutherford, TN | 5.9 mi |
| 38382 | Trenton, TN | 7.2 mi |
| 38233 | Kenton, TN | 9.5 mi |
| 38059 | Newbern, TN | 12 mi |
| 38316 | Bradford, TN | 12.1 mi |
| 38259 | Trimble, TN | 12.5 mi |
| 38070 | Tigrett, TN | 14.9 mi |
| 38255 | Sharon, TN | 15.1 mi |
| 38034 | Friendship, TN | 15.6 mi |
| 38230 | Greenfield, TN | 15.8 mi |
| 38021 | Crockett Mills, TN | 16 mi |
Questions about 38330
What is the ZIP+4 code for 38330?
38330 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 38330, you need to look up a specific street address to get them.
What city is 38330?
38330 is assigned to Dyer, Tennessee, in Gibson 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.