| Post Office | Grand Blanc |
| Division | Genesee |
| Pincode | 48439 |
| Post Office | Fenton |
| Division | Genesee |
| Pincode | 48430 |
| Post Office | Davison |
| Division | Genesee |
| Pincode | 48423 |
| Post Office | Flint |
| Division | Genesee |
| Pincode | 48507 |
| Post Office | Flint |
| Division | Genesee |
| Pincode | 48506 |
| Post Office | Flint |
| Division | Genesee |
| Pincode | 48503 |