ZIP Code 56120 — Butterfield, MN
56120 is a standard (street delivery) ZIP code serving Butterfield, Minnesota, in Watonwan 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 56120 at a glance
| ZIP code | 56120 |
|---|---|
| Primary city | Butterfield |
| State | Minnesota (MN) |
| County | Watonwan FIPS 27165 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 983 |
| Coordinates | 43.960830, -94.791390 |
How ZIP+4 works in 56120
The four digits after the hyphen encode a delivery segment inside 56120. 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 56120 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 56120.
| ZIP | City | Distance |
|---|---|---|
| 56022 | Darfur, MN | 6.8 mi |
| 56159 | Mountain Lake, MN | 7.3 mi |
| 56081 | Saint James, MN | 8.3 mi |
| 56160 | Odin, MN | 8.9 mi |
| 56162 | Ormsby, MN | 10.3 mi |
| 56019 | Comfrey, MN | 11.7 mi |
| 56118 | Bingham Lake, MN | 12.2 mi |
| 56176 | Trimont, MN | 12.7 mi |
| 56056 | La Salle, MN | 13.1 mi |
| 56060 | Lewisville, MN | 17.7 mi |
| 56101 | Windom, MN | 18.1 mi |
| 56041 | Hanska, MN | 18.9 mi |
Questions about 56120
What is the ZIP+4 code for 56120?
56120 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 56120, you need to look up a specific street address to get them.
What city is 56120?
56120 is assigned to Butterfield, Minnesota, in Watonwan 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.