ZIP Code 58801 — Williston, ND
58801 is a standard (street delivery) ZIP code serving Williston, North Dakota, in Williams 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 58801 at a glance
| ZIP code | 58801 |
|---|---|
| Primary city | Williston |
| State | North Dakota (ND) |
| County | Williams FIPS 38105 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 34,277 |
| Coordinates | 48.235220, -103.767470 |
How ZIP+4 works in 58801
The four digits after the hyphen encode a delivery segment inside 58801. 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 58801 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 58801.
| ZIP | City | Distance |
|---|---|---|
| 58853 | Trenton, ND | 12 mi |
| 58843 | Epping, ND | 17.7 mi |
| 59212 | Bainville, MT | 18.7 mi |
| 58856 | Zahl, ND | 24.6 mi |
| 58831 | Alexander, ND | 27.1 mi |
| 59219 | Dagmar, MT | 28.5 mi |
| 58845 | Grenora, ND | 28.8 mi |
| 59221 | Fairview, MT | 28.9 mi |
| 58830 | Alamo, ND | 28.9 mi |
| 58838 | Cartwright, ND | 32.6 mi |
| 59211 | Antelope, MT | 41.7 mi |
Questions about 58801
What is the ZIP+4 code for 58801?
58801 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 58801, you need to look up a specific street address to get them.
What city is 58801?
58801 is assigned to Williston, North Dakota, in Williams 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.