| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| LD1 | Llandrindod Wells | Llandrindod Wells | 425 |
| LD2 | Builth Wells | Builth Wells | 286 |
| LD3 | Brecon | Brecon, Talgarth | 876 |
| LD4 | Llangammarch Wells | Llangammarch Wells | 58 |
| LD5 | Llanwrtyd Wells | Llanwrtyd Wells | 71 |
| LD6 | Rhayader | Rhayader | 115 |
| LD7 | Knighton | Knighton | 195 |
| LD8 | Presteigne | Presteigne | 191 |