ZIP Code 63023 — Dittmer, MO
63023 is a standard (street delivery) ZIP code serving Dittmer, Missouri, in Jefferson 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 63023 at a glance
| ZIP code | 63023 |
|---|---|
| Primary city | Dittmer |
| State | Missouri (MO) |
| County | Jefferson FIPS 29099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,002 |
| Coordinates | 38.265900, -90.712920 |
How ZIP+4 works in 63023
The four digits after the hyphen encode a delivery segment inside 63023. 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 63023 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 63023.
| ZIP | City | Distance |
|---|---|---|
| 63041 | Grubville, MO | 4.3 mi |
| 63061 | Luebbering, MO | 5.3 mi |
| 63016 | Cedar Hill, MO | 7.1 mi |
| 63050 | Hillsboro, MO | 7.4 mi |
| 63060 | Lonedell, MO | 8.4 mi |
| 63030 | Fletcher, MO | 8.7 mi |
| 63072 | Robertsville, MO | 8.8 mi |
| 63015 | Catawissa, MO | 9.3 mi |
| 63071 | Richwoods, MO | 9.7 mi |
| 63051 | House Springs, MO | 11.9 mi |
| 63626 | Blackwell, MO | 13 mi |
| 63047 | Hematite, MO | 13.1 mi |
Questions about 63023
What is the ZIP+4 code for 63023?
63023 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 63023, you need to look up a specific street address to get them.
What city is 63023?
63023 is assigned to Dittmer, Missouri, in Jefferson 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.