ZIP Code 58568 — Selfridge, ND
58568 is a standard (street delivery) ZIP code serving Selfridge, North Dakota, in Sioux 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 58568 at a glance
| ZIP code | 58568 |
|---|---|
| Primary city | Selfridge |
| State | North Dakota (ND) |
| County | Sioux FIPS 38085 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 544 |
| Coordinates | 46.092740, -101.015380 |
How ZIP+4 works in 58568
The four digits after the hyphen encode a delivery segment inside 58568. 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 58568 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 58568.
| ZIP | City | Distance |
|---|---|---|
| 57659 | Walker, SD | 14.2 mi |
| 58569 | Shields, ND | 14.2 mi |
| 58538 | Fort Yates, ND | 16.5 mi |
| 57641 | Mcintosh, SD | 19.6 mi |
| 58564 | Raleigh, ND | 19.8 mi |
| 58570 | Solen, ND | 20.5 mi |
| 57621 | Bullhead, SD | 22.6 mi |
| 57642 | Mclaughlin, SD | 25.3 mi |
| 58528 | Cannon Ball, ND | 25.3 mi |
| 58535 | Flasher, ND | 29.4 mi |
| 58529 | Carson, ND | 30.2 mi |
| 57639 | Little Eagle, SD | 30.3 mi |
Questions about 58568
What is the ZIP+4 code for 58568?
58568 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 58568, you need to look up a specific street address to get them.
What city is 58568?
58568 is assigned to Selfridge, North Dakota, in Sioux 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.