| Locality | Postal Code |
|---|---|
| Pantmawr, Cardiff (Caerdydd) | CF14 7TQ, CF14 7TS |
| Pentwyn, Cardiff (Caerdydd) | CF23 |
| Pentyrch, Cardiff (Caerdydd) | CF15 |
| Penylan, Cardiff (Caerdydd) | CF23 |
| Pontprennau, Cardiff (Caerdydd) | CF23 |
| Radyr, Cardiff (Caerdydd) | CF15 |
| Rhiwbina, Cardiff (Caerdydd) | CF14 |
| Roath, Cardiff (Caerdydd) | CF24 |
| Rumney, Cardiff (Caerdydd) | CF3 |
| Saint Fagans, Cardiff (Caerdydd) | CF5 |
| Saint Mellons, Cardiff (Caerdydd) | CF3 |
| Splott, Cardiff (Caerdydd) | CF24 |
| Thornhill, Cardiff (Caerdydd) | CF14 |
| Tongwynlais, Cardiff (Caerdydd) | CF15 |
| Tremorfa, Cardiff (Caerdydd) | CF24 |
| Whitchurch, Cardiff (Caerdydd) | CF14 |