ZIP Code 56311 — Barrett, MN
56311 is a standard (street delivery) ZIP code serving Barrett, Minnesota, in Grant 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 56311 at a glance
| ZIP code | 56311 |
|---|---|
| Primary city | Barrett |
| State | Minnesota (MN) |
| County | Grant FIPS 27051 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 666 |
| Coordinates | 45.897560, -95.898520 |
How ZIP+4 works in 56311
The four digits after the hyphen encode a delivery segment inside 56311. 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 56311 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 56311.
| ZIP | City | Distance |
|---|---|---|
| 56339 | Hoffman, MN | 6.2 mi |
| 56531 | Elbow Lake, MN | 7.6 mi |
| 56343 | Kensington, MN | 12.1 mi |
| 56309 | Ashby, MN | 13.4 mi |
| 56248 | Herman, MN | 13.5 mi |
| 56326 | Evansville, MN | 13.5 mi |
| 56235 | Donnelly, MN | 14.3 mi |
| 56590 | Wendell, MN | 15.8 mi |
| 56315 | Brandon, MN | 15.8 mi |
| 56274 | Norcross, MN | 16.3 mi |
| 56327 | Farwell, MN | 16.7 mi |
| 56324 | Dalton, MN | 18.4 mi |
Questions about 56311
What is the ZIP+4 code for 56311?
56311 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 56311, you need to look up a specific street address to get them.
What city is 56311?
56311 is assigned to Barrett, Minnesota, in Grant 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.