| Post Office | Port Huron |
| Division | Saint Clair |
| Pincode | 48060 |
| Post Office | Fort Gratiot |
| Division | Saint Clair |
| Pincode | 48059 |
| Post Office | Saint Clair |
| Division | Saint Clair |
| Pincode | 48079 |
| Post Office | Algonac |
| Division | Saint Clair |
| Pincode | 48001 |
| Post Office | Marysville |
| Division | Saint Clair |
| Pincode | 48040 |
| Post Office | Smiths Creek |
| Division | Saint Clair |
| Pincode | 48074 |
| Post Office | Marine City |
| Division | Saint Clair |
| Pincode | 48039 |
| Post Office | East China |
| Division | Saint Clair |
| Pincode | 48054 |
| Post Office | Yale |
| Division | Saint Clair |
| Pincode | 48097 |
22 City in Saint Clair | List of Zip Codes Location In Michigan and Your selected County Saint Clair