ZIP Code 56143 — Jackson, MN
56143 is a standard (street delivery) ZIP code serving Jackson, Minnesota, in Jackson 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 56143 at a glance
| ZIP code | 56143 |
|---|---|
| Primary city | Jackson |
| State | Minnesota (MN) |
| County | Jackson FIPS 27063 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 4,509 |
| Coordinates | 43.628030, -95.007590 |
How ZIP+4 works in 56143
The four digits after the hyphen encode a delivery segment inside 56143. 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 56143 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 56143.
| ZIP | City | Distance |
|---|---|---|
| 56111 | Alpha, MN | 6.4 mi |
| 56150 | Lakefield, MN | 10.3 mi |
| 56171 | Sherburn, MN | 12.7 mi |
| 56127 | Dunnell, MN | 12.9 mi |
| 51360 | Spirit Lake, IA | 13.8 mi |
| 51363 | Superior, IA | 13.8 mi |
| 56161 | Okabena, MN | 16.8 mi |
| 56160 | Odin, MN | 17.2 mi |
| 56176 | Trimont, MN | 17.6 mi |
| 51355 | Okoboji, IA | 17.7 mi |
| 51334 | Estherville, IA | 18.4 mi |
| 56101 | Windom, MN | 18.9 mi |
Questions about 56143
What is the ZIP+4 code for 56143?
56143 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 56143, you need to look up a specific street address to get them.
What city is 56143?
56143 is assigned to Jackson, Minnesota, in Jackson 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.