ZIP Code 38550 — Campaign, TN
38550 is a standard (street delivery) ZIP code serving Campaign, Tennessee, in Warren 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 38550 at a glance
| ZIP code | 38550 |
|---|---|
| Primary city | Campaign |
| State | Tennessee (TN) |
| County | Warren FIPS 47177 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 17 |
| Coordinates | 35.769820, -85.632680 |
How ZIP+4 works in 38550
The four digits after the hyphen encode a delivery segment inside 38550. 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 38550 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 38550.
| ZIP | City | Distance |
|---|---|---|
| 38581 | Rock Island, TN | 2.3 mi |
| 38579 | Quebeck, TN | 6.4 mi |
| 38587 | Walling, TN | 6.8 mi |
| 38559 | Doyle, TN | 7.2 mi |
| 37110 | Mcminnville, TN | 10.7 mi |
| 38585 | Spencer, TN | 13 mi |
| 37166 | Smithville, TN | 13.8 mi |
| 38583 | Sparta, TN | 16.4 mi |
| 37357 | Morrison, TN | 20.1 mi |
| 37394 | Viola, TN | 20.4 mi |
| 37059 | Dowelltown, TN | 21.5 mi |
| 37305 | Beersheba Springs, TN | 21.9 mi |
Questions about 38550
What is the ZIP+4 code for 38550?
38550 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 38550, you need to look up a specific street address to get them.
What city is 38550?
38550 is assigned to Campaign, Tennessee, in Warren 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.