| Post Office | John Day |
| Division | Grant |
| Zipcode | 97845 |
| Post Office | Mount Vernon |
| Division | Grant |
| Zipcode | 97865 |
| Post Office | Canyon City |
| Division | Grant |
| Zipcode | 97820 |
| Post Office | Prairie City |
| Division | Grant |
| Zipcode | 97869 |
| Post Office | Long Creek |
| Division | Grant |
| Zipcode | 97856 |
| Post Office | Dayville |
| Division | Grant |
| Zipcode | 97825 |
| Post Office | Seneca |
| Division | Grant |
| Zipcode | 97873 |
| Post Office | Monument |
| Division | Grant |
| Zipcode | 97864 |
| Post Office | Kimberly |
| Division | Grant |
| Zipcode | 97848 |
| Post Office | Bates |
| Division | Grant |
| Zipcode | 97817 |
10 City in Grant | List of Zip Codes Location In Oregon and Your selected County Grant