| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Nant Y Felin | CF | CF38 | CF38 1 |
| Nant Y Felin | LD | LD3 | LD3 0 |
| Nant Y Felin | LL | LL53 | LL53 6 |
| Nant Y Felin | LL | LL65 | LL65 2 |
| Nant Y Felin | LL | LL75 | LL75 8 |
| Nant Y Felin | NP | NP10 | NP10 8 |
| Nant Y Felin | SA | SA5 | SA5 4 |
| Nant Y Felin | SY | SY15 | SY15 6 |