| Post Office | Rockland |
| Division | Knox |
| Pincode | 4841 |
| Post Office | Camden |
| Division | Knox |
| Pincode | 4843 |
| Post Office | Warren |
| Division | Knox |
| Pincode | 4864 |
| Post Office | Union |
| Division | Knox |
| Pincode | 4862 |
| Post Office | Rockport |
| Division | Knox |
| Pincode | 4856 |
| Post Office | Thomaston |
| Division | Knox |
| Pincode | 4861 |
| Post Office | Hope |
| Division | Knox |
| Pincode | 4847 |
| Post Office | Washington |
| Division | Knox |
| Pincode | 4574 |
| Post Office | Cushing |
| Division | Knox |
| Pincode | 4563 |
20 City in Knox | List of Zip Codes Location In Maine and Your selected County Knox