ZIP Code 63451 — Leonard, MO
63451 is a standard (street delivery) ZIP code serving Leonard, Missouri, in Shelby 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 63451 at a glance
| ZIP code | 63451 |
|---|---|
| Primary city | Leonard |
| State | Missouri (MO) |
| County | Shelby FIPS 29205 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 177 |
| Coordinates | 39.911350, -92.197280 |
How ZIP+4 works in 63451
The four digits after the hyphen encode a delivery segment inside 63451. 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 63451 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 63451.
| ZIP | City | Distance |
|---|---|---|
| 63460 | Novelty, MO | 6.3 mi |
| 63469 | Shelbyville, MO | 9.8 mi |
| 63458 | Newark, MO | 10.9 mi |
| 63437 | Clarence, MO | 13 mi |
| 63434 | Bethel, MO | 13.1 mi |
| 63431 | Anabel, MO | 13.2 mi |
| 63530 | Atlanta, MO | 13.4 mi |
| 63537 | Edina, MO | 16.4 mi |
| 63547 | Hurdland, MO | 16.5 mi |
| 63450 | Lentner, MO | 17 mi |
| 63540 | Gibbs, MO | 17 mi |
| 63549 | La Plata, MO | 17.2 mi |
Questions about 63451
What is the ZIP+4 code for 63451?
63451 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 63451, you need to look up a specific street address to get them.
What city is 63451?
63451 is assigned to Leonard, Missouri, in Shelby 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.