ZIP Code 39090 — Kosciusko, MS
39090 is a standard (street delivery) ZIP code serving Kosciusko, Mississippi, in Attala 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 39090 at a glance
| ZIP code | 39090 |
|---|---|
| Primary city | Kosciusko |
| State | Mississippi (MS) |
| County | Attala FIPS 28007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 12,022 |
| Coordinates | 33.007750, -89.545030 |
How ZIP+4 works in 39090
The four digits after the hyphen encode a delivery segment inside 39090. 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 39090 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 39090.
| ZIP | City | Distance |
|---|---|---|
| 39067 | Ethel, MS | 9.3 mi |
| 39160 | Sallis, MS | 12.1 mi |
| 39051 | Carthage, MS | 15.4 mi |
| 39108 | Mccool, MS | 16.1 mi |
| 39192 | West, MS | 17.5 mi |
| 39079 | Goodman, MS | 20.3 mi |
| 39745 | French Camp, MS | 20.7 mi |
| 39045 | Camden, MS | 21.9 mi |
| 39063 | Durant, MS | 21.9 mi |
| 39176 | Vaiden, MS | 23.6 mi |
| 39772 | Weir, MS | 25 mi |
| 39346 | Noxapater, MS | 26.6 mi |
Questions about 39090
What is the ZIP+4 code for 39090?
39090 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 39090, you need to look up a specific street address to get them.
What city is 39090?
39090 is assigned to Kosciusko, Mississippi, in Attala 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.