| Road Name | Postcode Area | Postcode District | Postcode Sector |
|---|---|---|---|
| Maes Yr Afon | CF | CF72 | CF72 9 |
| Maes Yr Afon | CF | CF83 | CF83 3 |
| Maes Yr Afon | CH | CH8 | CH8 7 |
| Maes Yr Afon | LD | LD7 | LD7 1 |
| Maes Yr Afon | LL | LL20 | LL20 7 |
| Maes Yr Afon | LL | LL24 | LL24 0 |
| Maes Yr Afon | NP | NP12 | NP12 2 |
| Maes Yr Afon | SA | SA64 | SA64 0 |
| Maes Yr Afon | SY | SY10 | SY10 0 |