| Post Office | Ada |
| Division | Norman |
| Pincode | 56510 |
| Post Office | Twin Valley |
| Division | Norman |
| Pincode | 56584 |
| Post Office | Halstad |
| Division | Norman |
| Pincode | 56548 |
| Post Office | Gary |
| Division | Norman |
| Pincode | 56545 |
| Post Office | Hendrum |
| Division | Norman |
| Pincode | 56550 |
| Post Office | Borup |
| Division | Norman |
| Pincode | 56519 |