ZIP Code 65039 — Hartsburg, MO
65039 is a standard (street delivery) ZIP code serving Hartsburg, Missouri, in Boone 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 65039 at a glance
| ZIP code | 65039 |
|---|---|
| Primary city | Hartsburg |
| State | Missouri (MO) |
| County | Boone FIPS 29019 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,076 |
| Coordinates | 38.713880, -92.298400 |
How ZIP+4 works in 65039
The four digits after the hyphen encode a delivery segment inside 65039. 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 65039 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 65039.
| ZIP | City | Distance |
|---|---|---|
| 65010 | Ashland, MO | 5.9 mi |
| 65023 | Centertown, MO | 6.9 mi |
| 65109 | Jefferson City, MO | 9.7 mi |
| 65046 | Jamestown, MO | 10.6 mi |
| 65063 | New Bloomfield, MO | 11.4 mi |
| 65043 | Holts Summit, MO | 11.9 mi |
| 65053 | Lohman, MO | 12.5 mi |
| 65201 | Columbia, MO | 12.9 mi |
| 65203 | Columbia, MO | 13.6 mi |
| 65018 | California, MO | 15.6 mi |
| 65215 | Columbia, MO | 16.5 mi |
| 65287 | Wooldridge, MO | 16.7 mi |
Questions about 65039
What is the ZIP+4 code for 65039?
65039 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 65039, you need to look up a specific street address to get them.
What city is 65039?
65039 is assigned to Hartsburg, Missouri, in Boone 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.