ZIP Code 65043 — Holts Summit, MO
65043 is a standard (street delivery) ZIP code serving Holts Summit, Missouri, in Callaway 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 65043 at a glance
| ZIP code | 65043 |
|---|---|
| Primary city | Holts Summit |
| State | Missouri (MO) |
| County | Callaway FIPS 29027 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 10,120 |
| Coordinates | 38.625630, -92.107740 |
How ZIP+4 works in 65043
The four digits after the hyphen encode a delivery segment inside 65043. 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 65043 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 65043.
| ZIP | City | Distance |
|---|---|---|
| 65063 | New Bloomfield, MO | 7 mi |
| 65080 | Tebbetts, MO | 7.1 mi |
| 65101 | Jefferson City, MO | 9.5 mi |
| 65109 | Jefferson City, MO | 9.8 mi |
| 65016 | Bonnots Mill, MO | 11.1 mi |
| 65039 | Hartsburg, MO | 11.9 mi |
| 65054 | Loose Creek, MO | 12.6 mi |
| 65059 | Mokane, MO | 13.2 mi |
| 65010 | Ashland, MO | 13.3 mi |
| 65053 | Lohman, MO | 15.3 mi |
| 65085 | Westphalia, MO | 15.5 mi |
| 65023 | Centertown, MO | 15.8 mi |
Questions about 65043
What is the ZIP+4 code for 65043?
65043 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 65043, you need to look up a specific street address to get them.
What city is 65043?
65043 is assigned to Holts Summit, Missouri, in Callaway 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.