ZIP Code 56037 — Good Thunder, MN
56037 is a standard (street delivery) ZIP code serving Good Thunder, Minnesota, in Blue Earth 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 56037 at a glance
| ZIP code | 56037 |
|---|---|
| Primary city | Good Thunder |
| State | Minnesota (MN) |
| County | Blue Earth FIPS 27013 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,374 |
| Coordinates | 44.017200, -94.046500 |
How ZIP+4 works in 56037
The four digits after the hyphen encode a delivery segment inside 56037. 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 56037 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 56037.
| ZIP | City | Distance |
|---|---|---|
| 56034 | Garden City, MN | 6.8 mi |
| 56001 | Mankato, MN | 8.6 mi |
| 56065 | Mapleton, MN | 8.6 mi |
| 56090 | Vernon Center, MN | 10.1 mi |
| 56080 | Saint Clair, MN | 10.4 mi |
| 56010 | Amboy, MN | 10.9 mi |
| 56055 | Lake Crystal, MN | 12.4 mi |
| 56024 | Eagle Lake, MN | 13.5 mi |
| 56003 | Mankato, MN | 13.7 mi |
| 56078 | Pemberton, MN | 13.9 mi |
| 56068 | Minnesota Lake, MN | 16 mi |
| 56023 | Delavan, MN | 17 mi |
Questions about 56037
What is the ZIP+4 code for 56037?
56037 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 56037, you need to look up a specific street address to get them.
What city is 56037?
56037 is assigned to Good Thunder, Minnesota, in Blue Earth 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.