| Post Office | Port Clinton |
| Division | Ottawa |
| Pincode | 43452 |
| Post Office | Oak Harbor |
| Division | Ottawa |
| Pincode | 43449 |
| Post Office | Genoa |
| Division | Ottawa |
| Pincode | 43430 |
| Post Office | Lakeside Marblehead |
| Division | Ottawa |
| Pincode | 43440 |
| Post Office | Elmore |
| Division | Ottawa |
| Pincode | 43416 |
| Post Office | Graytown |
| Division | Ottawa |
| Pincode | 43432 |
| Post Office | Martin |
| Division | Ottawa |
| Pincode | 43445 |
| Post Office | Put In Bay |
| Division | Ottawa |
| Pincode | 43456 |
| Post Office | Williston |
| Division | Ottawa |
| Pincode | 43468 |
15 City in Ottawa | List of Zip Codes Location In Ohio and Your selected County Ottawa