# SY20

3 sectors, 422 postcodes

- **Part of:** [SY](https://openpostcodes.uk/SY)
- **Local authorities:** Powys, Gwynedd, Ceredigion

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SY20 0](https://openpostcodes.uk/SY20%200) | 2 | Powys |
| [SY20 8](https://openpostcodes.uk/SY20%208) | 235 | Powys |
| [SY20 9](https://openpostcodes.uk/SY20%209) | 185 | Gwynedd |