ZIP Code 64640 — Gallatin, MO
64640 is a standard (street delivery) ZIP code serving Gallatin, Missouri, in Daviess 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 64640 at a glance
| ZIP code | 64640 |
|---|---|
| Primary city | Gallatin |
| State | Missouri (MO) |
| County | Daviess FIPS 29061 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,125 |
| Coordinates | 39.901720, -93.945420 |
How ZIP+4 works in 64640
The four digits after the hyphen encode a delivery segment inside 64640. 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 64640 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 64640.
| ZIP | City | Distance |
|---|---|---|
| 64620 | Altamont, MO | 7.7 mi |
| 64647 | Jameson, MO | 8.9 mi |
| 64648 | Jamesport, MO | 9.6 mi |
| 64654 | Lock Springs, MO | 9.7 mi |
| 64689 | Winston, MO | 11.1 mi |
| 64644 | Hamilton, MO | 11.1 mi |
| 64649 | Kidder, MO | 11.7 mi |
| 64625 | Breckenridge, MO | 13.2 mi |
| 64670 | Pattonsburg, MO | 14.4 mi |
| 64497 | Weatherby, MO | 14.8 mi |
| 64636 | Coffey, MO | 15.2 mi |
| 64664 | Mooresville, MO | 18.5 mi |
Questions about 64640
What is the ZIP+4 code for 64640?
64640 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 64640, you need to look up a specific street address to get them.
What city is 64640?
64640 is assigned to Gallatin, Missouri, in Daviess 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.