| Locality | Post Code |
|---|---|
| Bagley, Grant | 53801 |
| Beetown, Grant | 53802 |
| Bloomington, Grant | 53804 |
| Blue River, Grant | 53518 |
| Boscobel, Grant | 53805 |
| Cassville, Grant | 53806 |
| Cuba City, Grant | 53807 |
| Dickeyville, Grant | 53808 |
| Fennimore, Grant | 53809 |
| Glen Haven, Grant | 53810 |
| Hazel Green, Grant | 53811 |
| Kieler, Grant | 53812 |
| Lancaster, Grant | 53813 |
| Livingston, Grant | 53554 |
| Montfort, Grant | 53569 |
| Mount Hope, Grant | 53816 |
| Muscoda, Grant | 53573 |
| Patch Grove, Grant | 53817 |
| Platteville, Grant | 53818 |
| Potosi, Grant | 53820 |
| Sinsinawa, Grant | 53824 |
| Stitzer, Grant | 53825 |
| Woodman, Grant | 53827 |
| Wyalusing, Grant | 53801 |