ZIP Code 56228 — Cosmos, MN
56228 is a standard (street delivery) ZIP code serving Cosmos, Minnesota, in Meeker 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 56228 at a glance
| ZIP code | 56228 |
|---|---|
| Primary city | Cosmos |
| State | Minnesota (MN) |
| County | Meeker FIPS 27093 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 922 |
| Coordinates | 44.936190, -94.677150 |
How ZIP+4 works in 56228
The four digits after the hyphen encode a delivery segment inside 56228. 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 56228 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 56228.
| ZIP | City | Distance |
|---|---|---|
| 56253 | Lake Lillian, MN | 10 mi |
| 55314 | Buffalo Lake, MN | 11.9 mi |
| 55355 | Litchfield, MN | 13 mi |
| 55342 | Hector, MN | 13.7 mi |
| 55350 | Hutchinson, MN | 14.2 mi |
| 56209 | Atwater, MN | 14.3 mi |
| 55324 | Darwin, MN | 14.8 mi |
| 55310 | Bird Island, MN | 15.8 mi |
| 56243 | Grove City, MN | 16 mi |
| 55385 | Stewart, MN | 16.4 mi |
| 56251 | Kandiyohi, MN | 18.4 mi |
| 56216 | Blomkest, MN | 18.5 mi |
Questions about 56228
What is the ZIP+4 code for 56228?
56228 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 56228, you need to look up a specific street address to get them.
What city is 56228?
56228 is assigned to Cosmos, Minnesota, in Meeker 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.