ZIP Code 56720 — Donaldson, MN
56720 is a standard (street delivery) ZIP code serving Donaldson, Minnesota, in Kittson 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 56720 at a glance
| ZIP code | 56720 |
|---|---|
| Primary city | Donaldson |
| State | Minnesota (MN) |
| County | Kittson FIPS 27069 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 15 |
| Coordinates | 48.567880, -96.906320 |
How ZIP+4 works in 56720
The four digits after the hyphen encode a delivery segment inside 56720. 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 56720 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 56720.
| ZIP | City | Distance |
|---|---|---|
| 56733 | Kennedy, MN | 4.6 mi |
| 56757 | Stephen, MN | 6.3 mi |
| 58225 | Drayton, ND | 14.5 mi |
| 56728 | Hallock, MN | 15.6 mi |
| 56713 | Argyle, MN | 15.7 mi |
| 56729 | Halma, MN | 15.8 mi |
| 56732 | Karlstad, MN | 18.9 mi |
| 56758 | Strandquist, MN | 19.1 mi |
| 56734 | Lake Bronson, MN | 20.3 mi |
| 56710 | Alvarado, MN | 24.5 mi |
| 56731 | Humboldt, MN | 24.7 mi |
| 56744 | Oslo, MN | 24.8 mi |
Questions about 56720
What is the ZIP+4 code for 56720?
56720 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 56720, you need to look up a specific street address to get them.
What city is 56720?
56720 is assigned to Donaldson, Minnesota, in Kittson 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.