Sectors in SA20
| Sector | Main place | Postcodes |
|---|---|---|
| SA20 0 | Llandovery | 237 |
Places covered by SA20
- Llandovery Carmarthenshire · 73
- Cilycwm Carmarthenshire · 6
- Cynghordy Carmarthenshire · 6
- Myddfai Carmarthenshire · 6
- Rhandirmwyn Carmarthenshire · 6
- Babel Carmarthenshire · 2
- Halfway Carmarthenshire · 2
- Nant-y-Bai Carmarthenshire · 2
- Pentre-ty-gwyn Carmarthenshire · 1
- Pentrebach Carmarthenshire · 1
- Siloh Carmarthenshire · 1