| Post Office | Bartlesville |
| Division | Washington |
| Pincode | 74006 |
| Post Office | Bartlesville |
| Division | Washington |
| Pincode | 74003 |
| Post Office | Dewey |
| Division | Washington |
| Pincode | 74029 |
| Post Office | Ramona |
| Division | Washington |
| Pincode | 74061 |
| Post Office | Ochelata |
| Division | Washington |
| Pincode | 74051 |
| Post Office | Copan |
| Division | Washington |
| Pincode | 74022 |