ZIP Code 57035 — Humboldt, SD
57035 is a standard (street delivery) ZIP code serving Humboldt, South Dakota, in Minnehaha 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 57035 at a glance
| ZIP code | 57035 |
|---|---|
| Primary city | Humboldt |
| State | South Dakota (SD) |
| County | Minnehaha FIPS 46099 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,591 |
| Coordinates | 43.646510, -97.076270 |
How ZIP+4 works in 57035
The four digits after the hyphen encode a delivery segment inside 57035. 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 57035 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 57035.
| ZIP | City | Distance |
|---|---|---|
| 57033 | Hartford, SD | 6.2 mi |
| 57048 | Montrose, SD | 9 mi |
| 57012 | Canistota, SD | 10.7 mi |
| 57041 | Lyons, SD | 10.9 mi |
| 57047 | Monroe, SD | 11.3 mi |
| 57018 | Colton, SD | 11.6 mi |
| 57020 | Crooks, SD | 12.7 mi |
| 57107 | Sioux Falls, SD | 13.3 mi |
| 57106 | Sioux Falls, SD | 15.1 mi |
| 57015 | Chancellor, SD | 16.2 mi |
| 57064 | Tea, SD | 16.6 mi |
| 57053 | Parker, SD | 16.6 mi |
Questions about 57035
What is the ZIP+4 code for 57035?
57035 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 57035, you need to look up a specific street address to get them.
What city is 57035?
57035 is assigned to Humboldt, South Dakota, in Minnehaha 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.