# SY18

2 sectors, 226 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SY18 6](https://openpostcodes.uk/SY18%206) | 225 | Powys |
| [SY18 9](https://openpostcodes.uk/SY18%209) | 1 | — |