ZIP Code 63758 — Kelso, MO
63758 is a standard (street delivery) ZIP code serving Kelso, Missouri, in Scott 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 63758 at a glance
| ZIP code | 63758 |
|---|---|
| Primary city | Kelso |
| State | Missouri (MO) |
| County | Scott FIPS 29201 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 435 |
| Coordinates | 37.192120, -89.550640 |
How ZIP+4 works in 63758
The four digits after the hyphen encode a delivery segment inside 63758. 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 63758 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 63758.
| ZIP | City | Distance |
|---|---|---|
| 63780 | Scott City, MO | 2.9 mi |
| 63703 | Cape Girardeau, MO | 5.7 mi |
| 63742 | Commerce, MO | 6.2 mi |
| 63745 | Dutchtown, MO | 7.4 mi |
| 63740 | Chaffee, MO | 7.5 mi |
| 63736 | Benton, MO | 7.9 mi |
| 62990 | Thebes, IL | 8.4 mi |
| 63744 | Delta, MO | 9.2 mi |
| 63701 | Cape Girardeau, MO | 10 mi |
| 62957 | Mcclure, IL | 10.8 mi |
| 63767 | Morley, MO | 10.8 mi |
| 62969 | Olive Branch, IL | 11.5 mi |
Questions about 63758
What is the ZIP+4 code for 63758?
63758 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 63758, you need to look up a specific street address to get them.
What city is 63758?
63758 is assigned to Kelso, Missouri, in Scott 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.