ZIP Code 56144 — Jasper, MN
56144 is a standard (street delivery) ZIP code serving Jasper, Minnesota, in Rock 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 56144 at a glance
| ZIP code | 56144 |
|---|---|
| Primary city | Jasper |
| State | Minnesota (MN) |
| County | Rock FIPS 27133 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,143 |
| Coordinates | 43.840780, -96.387020 |
How ZIP+4 works in 56144
The four digits after the hyphen encode a delivery segment inside 56144. 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 56144 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 56144.
| ZIP | City | Distance |
|---|---|---|
| 56140 | Ihlen, MN | 4.9 mi |
| 56134 | Hardwick, MN | 8.5 mi |
| 57030 | Garretson, SD | 10.4 mi |
| 57065 | Trent, SD | 11.7 mi |
| 56128 | Edgerton, MN | 13.8 mi |
| 56164 | Pipestone, MN | 14.6 mi |
| 56156 | Luverne, MN | 14.7 mi |
| 56116 | Beaver Creek, MN | 15.4 mi |
| 57022 | Dell Rapids, SD | 17.2 mi |
| 56147 | Kenneth, MN | 17.3 mi |
| 57024 | Egan, SD | 17.7 mi |
| 56153 | Leota, MN | 18.5 mi |
Questions about 56144
What is the ZIP+4 code for 56144?
56144 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 56144, you need to look up a specific street address to get them.
What city is 56144?
56144 is assigned to Jasper, Minnesota, in Rock 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.