ZIP Code 64645 — Harris, MO
64645 is a standard (street delivery) ZIP code serving Harris, Missouri, in Sullivan 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 64645 at a glance
| ZIP code | 64645 |
|---|---|
| Primary city | Harris |
| State | Missouri (MO) |
| County | Sullivan FIPS 29211 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 195 |
| Coordinates | 40.298340, -93.325750 |
How ZIP+4 works in 64645
The four digits after the hyphen encode a delivery segment inside 64645. 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 64645 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 64645.
| ZIP | City | Distance |
|---|---|---|
| 64667 | Newtown, MO | 6.6 mi |
| 64641 | Galt, MO | 10.2 mi |
| 64655 | Lucerne, MO | 10.8 mi |
| 63560 | Pollock, MO | 11.4 mi |
| 64646 | Humphreys, MO | 13.4 mi |
| 63556 | Milan, MO | 13.6 mi |
| 64679 | Spickard, MO | 14.2 mi |
| 64673 | Princeton, MO | 15.1 mi |
| 64672 | Powersville, MO | 16.9 mi |
| 63545 | Green City, MO | 19 mi |
| 64661 | Mercer, MO | 19 mi |
| 64652 | Laredo, MO | 19.9 mi |
Questions about 64645
What is the ZIP+4 code for 64645?
64645 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 64645, you need to look up a specific street address to get them.
What city is 64645?
64645 is assigned to Harris, Missouri, in Sullivan 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.