ZIP Code 57025 — Elk Point, SD
57025 is a standard (street delivery) ZIP code serving Elk Point, South Dakota, in Union 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 57025 at a glance
| ZIP code | 57025 |
|---|---|
| Primary city | Elk Point |
| State | South Dakota (SD) |
| County | Union FIPS 46127 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,120 |
| Coordinates | 42.717180, -96.688940 |
How ZIP+4 works in 57025
The four digits after the hyphen encode a delivery segment inside 57025. 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 57025 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 57025.
| ZIP | City | Distance |
|---|---|---|
| 51062 | Westfield, IA | 7.8 mi |
| 57010 | Burbank, SD | 9.5 mi |
| 57038 | Jefferson, SD | 11 mi |
| 51001 | Akron, IA | 11.1 mi |
| 68770 | Ponca, NE | 11.4 mi |
| 68757 | Newcastle, NE | 12.8 mi |
| 51109 | Sioux City, IA | 13.5 mi |
| 68751 | Maskell, NE | 14.9 mi |
| 57049 | North Sioux City, SD | 16.2 mi |
| 51011 | Chatsworth, IA | 16.3 mi |
| 68743 | Jackson, NE | 17.2 mi |
| 57069 | Vermillion, SD | 17.5 mi |
Questions about 57025
What is the ZIP+4 code for 57025?
57025 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 57025, you need to look up a specific street address to get them.
What city is 57025?
57025 is assigned to Elk Point, South Dakota, in Union 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.