ZIP Code 56331 — Freeport, MN
56331 is a standard (street delivery) ZIP code serving Freeport, Minnesota, in Stearns 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 56331 at a glance
| ZIP code | 56331 |
|---|---|
| Primary city | Freeport |
| State | Minnesota (MN) |
| County | Stearns FIPS 27145 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,057 |
| Coordinates | 45.679260, -94.674200 |
How ZIP+4 works in 56331
The four digits after the hyphen encode a delivery segment inside 56331. 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 56331 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 56331.
| ZIP | City | Distance |
|---|---|---|
| 56356 | New Munich, MN | 4.3 mi |
| 56307 | Albany, MN | 5.5 mi |
| 56352 | Melrose, MN | 6.4 mi |
| 56335 | Greenwald, MN | 10.4 mi |
| 56384 | Upsala, MN | 10.4 mi |
| 56336 | Grey Eagle, MN | 10.8 mi |
| 56310 | Avon, MN | 11.6 mi |
| 56318 | Burtrum, MN | 12 mi |
| 56340 | Holdingford, MN | 12.1 mi |
| 56376 | Saint Martin, MN | 12.2 mi |
| 56314 | Bowlus, MN | 14.8 mi |
| 56378 | Sauk Centre, MN | 15 mi |
Questions about 56331
What is the ZIP+4 code for 56331?
56331 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 56331, you need to look up a specific street address to get them.
What city is 56331?
56331 is assigned to Freeport, Minnesota, in Stearns 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.