ZIP Code 58646 — Mott, ND
58646 is a standard (street delivery) ZIP code serving Mott, North Dakota, in Hettinger 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 58646 at a glance
| ZIP code | 58646 |
|---|---|
| Primary city | Mott |
| State | North Dakota (ND) |
| County | Hettinger FIPS 38041 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,161 |
| Coordinates | 46.398260, -102.287820 |
How ZIP+4 works in 58646
The four digits after the hyphen encode a delivery segment inside 58646. 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 58646 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 58646.
| ZIP | City | Distance |
|---|---|---|
| 58562 | New Leipzig, ND | 13.4 mi |
| 58650 | Regent, ND | 14.6 mi |
| 58641 | Lefor, ND | 20.8 mi |
| 58533 | Elgin, ND | 23.4 mi |
| 58639 | Hettinger, ND | 29.8 mi |
| 58652 | Richardton, ND | 33.8 mi |
| 58631 | Glen Ullin, ND | 35.3 mi |
| 57645 | Morristown, SD | 43.1 mi |
Questions about 58646
What is the ZIP+4 code for 58646?
58646 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 58646, you need to look up a specific street address to get them.
What city is 58646?
58646 is assigned to Mott, North Dakota, in Hettinger 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.