ZIP Code 63863 — Malden, MO
63863 is a standard (street delivery) ZIP code serving Malden, Missouri, in Dunklin 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 63863 at a glance
| ZIP code | 63863 |
|---|---|
| Primary city | Malden |
| State | Missouri (MO) |
| County | Dunklin FIPS 29069 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,321 |
| Coordinates | 36.562820, -89.976710 |
How ZIP+4 works in 63863
The four digits after the hyphen encode a delivery segment inside 63863. 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 63863 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 63863.
| ZIP | City | Distance |
|---|---|---|
| 63822 | Bernie, MO | 6.8 mi |
| 63933 | Campbell, MO | 7.9 mi |
| 63837 | Clarkton, MO | 7.9 mi |
| 63870 | Parma, MO | 8.3 mi |
| 63874 | Risco, MO | 8.9 mi |
| 63847 | Gibson, MO | 8.9 mi |
| 63878 | Tallapoosa, MO | 9.5 mi |
| 63848 | Gideon, MO | 9.9 mi |
| 72464 | Saint Francis, AR | 11.9 mi |
| 63852 | Holcomb, MO | 13.6 mi |
| 63841 | Dexter, MO | 14.4 mi |
| 63833 | Catron, MO | 14.9 mi |
Questions about 63863
What is the ZIP+4 code for 63863?
63863 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 63863, you need to look up a specific street address to get them.
What city is 63863?
63863 is assigned to Malden, Missouri, in Dunklin 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.