| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Fir Avenue | BH | BH25 | BH25 6 |
| Fir Avenue | DH | DH1 | DH1 2 |
| Fir Avenue | DH | DH7 | DH7 8 |
| Fir Avenue | L | L26 | L26 0 |
| Fir Avenue | LS | LS16 | LS16 8 |
| Fir Avenue | PE | PE10 | PE10 9 |
| Fir Avenue | SK | SK7 | SK7 2 |
| Fir Avenue | WF | WF13 | WF13 3 |