ZIP Code 65233 — Boonville, MO
65233 is a standard (street delivery) ZIP code serving Boonville, Missouri, in Cooper 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 65233 at a glance
| ZIP code | 65233 |
|---|---|
| Primary city | Boonville |
| State | Missouri (MO) |
| County | Cooper FIPS 29053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 10,640 |
| Coordinates | 38.915280, -92.720350 |
How ZIP+4 works in 65233
The four digits after the hyphen encode a delivery segment inside 65233. 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 65233 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 65233.
| ZIP | City | Distance |
|---|---|---|
| 65274 | New Franklin, MO | 7.1 mi |
| 65068 | Prairie Home, MO | 8.9 mi |
| 65237 | Bunceton, MO | 9.9 mi |
| 65250 | Franklin, MO | 10.5 mi |
| 65287 | Wooldridge, MO | 11 mi |
| 65279 | Rocheport, MO | 12.7 mi |
| 65322 | Blackwater, MO | 13.2 mi |
| 65276 | Pilot Grove, MO | 13.5 mi |
| 65248 | Fayette, MO | 15.8 mi |
| 65320 | Arrow Rock, MO | 15.9 mi |
| 65046 | Jamestown, MO | 16.1 mi |
| 65025 | Clarksburg, MO | 17.3 mi |
Questions about 65233
What is the ZIP+4 code for 65233?
65233 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 65233, you need to look up a specific street address to get them.
What city is 65233?
65233 is assigned to Boonville, Missouri, in Cooper 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.