| Post Office | Norwich |
| Division | New London |
| Pincode | 6360 |
| Post Office | Groton |
| Division | New London |
| Pincode | 6340 |
| Post Office | New London |
| Division | New London |
| Pincode | 6320 |
| Post Office | Colchester |
| Division | New London |
| Pincode | 6415 |
| Post Office | Jewett City |
| Division | New London |
| Pincode | 6351 |
| Post Office | Waterford |
| Division | New London |
| Pincode | 6385 |
| Post Office | Mystic |
| Division | New London |
| Pincode | 6355 |
| Post Office | Niantic |
| Division | New London |
| Pincode | 6357 |
| Post Office | Uncasville |
| Division | New London |
| Pincode | 6382 |
37 City in New London | List of Zip Codes Location In Connecticut and Your selected County New London