ZIP Code 63437 — Clarence, MO
63437 is a standard (street delivery) ZIP code serving Clarence, 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 63437 at a glance
| ZIP code | 63437 |
|---|---|
| Primary city | Clarence |
| State | Missouri (MO) |
| County | Shelby FIPS 29205 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,560 |
| Coordinates | 39.725760, -92.236790 |
How ZIP+4 works in 63437
The four digits after the hyphen encode a delivery segment inside 63437. 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 63437 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 63437.
| ZIP | City | Distance |
|---|---|---|
| 63431 | Anabel, MO | 5.1 mi |
| 63450 | Lentner, MO | 6.1 mi |
| 63552 | Macon, MO | 11.5 mi |
| 63468 | Shelbina, MO | 12.3 mi |
| 63469 | Shelbyville, MO | 12.6 mi |
| 65260 | Jacksonville, MO | 12.9 mi |
| 63451 | Leonard, MO | 13 mi |
| 65247 | Excello, MO | 14 mi |
| 65258 | Holliday, MO | 14.9 mi |
| 65239 | Cairo, MO | 16.6 mi |
| 63530 | Atlanta, MO | 16.9 mi |
| 63532 | Bevier, MO | 18.1 mi |
Questions about 63437
What is the ZIP+4 code for 63437?
63437 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 63437, you need to look up a specific street address to get them.
What city is 63437?
63437 is assigned to Clarence, 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.