ZIP Code 55991 — Zumbro Falls, MN
55991 is a standard (street delivery) ZIP code serving Zumbro Falls, Minnesota, in Wabasha 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 55991 at a glance
| ZIP code | 55991 |
|---|---|
| Primary city | Zumbro Falls |
| State | Minnesota (MN) |
| County | Wabasha FIPS 27157 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,394 |
| Coordinates | 44.259030, -92.419860 |
How ZIP+4 works in 55991
The four digits after the hyphen encode a delivery segment inside 55991. 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 55991 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 55991.
| ZIP | City | Distance |
|---|---|---|
| 55956 | Mazeppa, MN | 5.7 mi |
| 55957 | Millville, MN | 6.7 mi |
| 55960 | Oronoco, MN | 9.9 mi |
| 55932 | Elgin, MN | 10.2 mi |
| 55906 | Rochester, MN | 10.5 mi |
| 55041 | Lake City, MN | 10.6 mi |
| 55963 | Pine Island, MN | 12.9 mi |
| 55901 | Rochester, MN | 13.2 mi |
| 55992 | Zumbrota, MN | 13.4 mi |
| 55027 | Goodhue, MN | 14.3 mi |
| 55964 | Plainview, MN | 14.6 mi |
| 55905 | Rochester, MN | 15 mi |
Questions about 55991
What is the ZIP+4 code for 55991?
55991 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 55991, you need to look up a specific street address to get them.
What city is 55991?
55991 is assigned to Zumbro Falls, Minnesota, in Wabasha 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.