| Post Office | Escanaba |
| Division | Delta |
| Pincode | 49829 |
| Post Office | Gladstone |
| Division | Delta |
| Pincode | 49837 |
| Post Office | Bark River |
| Division | Delta |
| Pincode | 49807 |
| Post Office | Rapid River |
| Division | Delta |
| Pincode | 49878 |
| Post Office | Rock |
| Division | Delta |
| Pincode | 49880 |
| Post Office | Cornell |
| Division | Delta |
| Pincode | 49818 |