| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Napier Avenue | CO | CO15 | CO15 2 |
| Napier Avenue | E | E14 | E14 3 |
| Napier Avenue | EH | EH48 | EH48 1 |
| Napier Avenue | FY | FY4 | FY4 1 |
| Napier Avenue | G | G82 | G82 5 |
| Napier Avenue | PR | PR4 | PR4 6 |
| Napier Avenue | SS | SS1 | SS1 1 |
| Napier Avenue | SW | SW6 | SW6 3 |