| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Duddon Close | CA | CA28 | CA28 8 |
| Duddon Close | CH | CH43 | CH43 2 |
| Duddon Close | CW | CW6 | CW6 0 |
| Duddon Close | CW | CW9 | CW9 8 |
| Duddon Close | LA | LA3 | LA3 3 |
| Duddon Close | M | M45 | M45 8 |
| Duddon Close | SO | SO18 | SO18 3 |
| Duddon Close | SR | SR8 | SR8 5 |
| Duddon Close | WN | WN6 | WN6 0 |