| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 58755 | McGregor | Williams County | Standard |
| 58794 | White Earth | Mountrail County | Standard |
| 58795 | Wildrose | Williams County | Standard |
| 58801 | Williston | Williams County | Standard |
| 58802 | Williston | Williams County | PO Box |
| 58803 | Williston | Williams County | PO Box |
| 58830 | Alamo | Williams County | Standard |
| 58843 | Epping | Williams County | Standard |
| 58845 | Grenora | Divide County | Standard |
| 58849 | Ray | Williams County | Standard |
| 58852 | Tioga | Williams County | Standard |
| 58853 | Trenton | Williams County | PO Box |
| 58856 | Zahl | Williams County | Standard |