ZIP Code 55972 — Saint Charles, MN
55972 is a standard (street delivery) ZIP code serving Saint Charles, Minnesota, in Winona 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 55972 at a glance
| ZIP code | 55972 |
|---|---|
| Primary city | Saint Charles |
| State | Minnesota (MN) |
| County | Winona FIPS 27169 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 5,434 |
| Coordinates | 43.993960, -92.050920 |
How ZIP+4 works in 55972
The four digits after the hyphen encode a delivery segment inside 55972. 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 55972 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 55972.
| ZIP | City | Distance |
|---|---|---|
| 55929 | Dover, MN | 4.8 mi |
| 55979 | Utica, MN | 7 mi |
| 55910 | Altura, MN | 10.3 mi |
| 55969 | Rollingstone, MN | 10.6 mi |
| 55934 | Eyota, MN | 10.7 mi |
| 55952 | Lewiston, MN | 10.9 mi |
| 55923 | Chatfield, MN | 11.9 mi |
| 55964 | Plainview, MN | 12.8 mi |
| 55959 | Minnesota City, MN | 15.6 mi |
| 55932 | Elgin, MN | 15.9 mi |
| 55935 | Fountain, MN | 17.4 mi |
| 55904 | Rochester, MN | 17.4 mi |
Questions about 55972
What is the ZIP+4 code for 55972?
55972 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 55972, you need to look up a specific street address to get them.
What city is 55972?
55972 is assigned to Saint Charles, Minnesota, in Winona 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.