ZIP Code 64681 — Sumner, MO
64681 is a standard (street delivery) ZIP code serving Sumner, Missouri, in Chariton 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 64681 at a glance
| ZIP code | 64681 |
|---|---|
| Primary city | Sumner |
| State | Missouri (MO) |
| County | Chariton FIPS 29041 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 170 |
| Coordinates | 39.647060, -93.213750 |
How ZIP+4 works in 64681
The four digits after the hyphen encode a delivery segment inside 64681. 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 64681 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 64681.
| ZIP | City | Distance |
|---|---|---|
| 64660 | Mendon, MO | 8.4 mi |
| 64643 | Hale, MO | 8.6 mi |
| 64651 | Laclede, MO | 9.1 mi |
| 64676 | Rothville, MO | 9.4 mi |
| 65286 | Triplett, MO | 9.7 mi |
| 64659 | Meadville, MO | 10.2 mi |
| 64628 | Brookfield, MO | 13.5 mi |
| 64623 | Bosworth, MO | 13.8 mi |
| 64688 | Wheeling, MO | 14.4 mi |
| 64658 | Marceline, MO | 15.5 mi |
| 65236 | Brunswick, MO | 15.5 mi |
| 64682 | Tina, MO | 16.1 mi |
Questions about 64681
What is the ZIP+4 code for 64681?
64681 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 64681, you need to look up a specific street address to get them.
What city is 64681?
64681 is assigned to Sumner, Missouri, in Chariton 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.