ZIP Code 56551 — Henning, MN
56551 is a standard (street delivery) ZIP code serving Henning, 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 56551 at a glance
| ZIP code | 56551 |
|---|---|
| Primary city | Henning |
| State | Minnesota (MN) |
| County | Otter Tail FIPS 27111 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,387 |
| Coordinates | 46.318560, -95.450810 |
How ZIP+4 works in 56551
The four digits after the hyphen encode a delivery segment inside 56551. 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 56551 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 56551.
| ZIP | City | Distance |
|---|---|---|
| 56588 | Vining, MN | 7.2 mi |
| 56527 | Deer Creek, MN | 7.4 mi |
| 56571 | Ottertail, MN | 9.3 mi |
| 56524 | Clitherall, MN | 10.5 mi |
| 56361 | Parkers Prairie, MN | 12.2 mi |
| 56515 | Battle Lake, MN | 12.4 mi |
| 56453 | Hewitt, MN | 13.8 mi |
| 56518 | Bluffton, MN | 15.3 mi |
| 56576 | Richville, MN | 16.1 mi |
| 56567 | New York Mills, MN | 16.4 mi |
| 56482 | Wadena, MN | 17.8 mi |
| 56586 | Underwood, MN | 18.5 mi |
Questions about 56551
What is the ZIP+4 code for 56551?
56551 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 56551, you need to look up a specific street address to get them.
What city is 56551?
56551 is assigned to Henning, 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.