ZIP Code 56537 — Fergus Falls, MN
56537 is a standard (street delivery) ZIP code serving Fergus Falls, Minnesota, in Otter Tail 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 56537 at a glance
| ZIP code | 56537 |
|---|---|
| Primary city | Fergus Falls |
| State | Minnesota (MN) |
| County | Otter Tail FIPS 27111 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 19,856 |
| Coordinates | 46.276970, -96.089770 |
How ZIP+4 works in 56537
The four digits after the hyphen encode a delivery segment inside 56537. 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 56537 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 56537.
| ZIP | City | Distance |
|---|---|---|
| 56533 | Elizabeth, MN | 9.2 mi |
| 56324 | Dalton, MN | 11.7 mi |
| 56543 | Foxhome, MN | 11.8 mi |
| 56586 | Underwood, MN | 12.3 mi |
| 56534 | Erhard, MN | 13.3 mi |
| 56590 | Wendell, MN | 17 mi |
| 56522 | Campbell, MN | 17.3 mi |
| 56579 | Rothsay, MN | 17.9 mi |
| 56515 | Battle Lake, MN | 18.2 mi |
| 56565 | Nashua, MN | 19.1 mi |
| 56309 | Ashby, MN | 19.3 mi |
| 56520 | Breckenridge, MN | 19.7 mi |
Questions about 56537
What is the ZIP+4 code for 56537?
56537 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 56537, you need to look up a specific street address to get them.
What city is 56537?
56537 is assigned to Fergus Falls, Minnesota, in Otter Tail 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.