# SY23

6 sectors, 984 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SY23 1](https://openpostcodes.uk/SY23%201) | 190 | Ceredigion |
| [SY23 2](https://openpostcodes.uk/SY23%202) | 107 | Ceredigion |
| [SY23 3](https://openpostcodes.uk/SY23%203) | 303 | Ceredigion |
| [SY23 4](https://openpostcodes.uk/SY23%204) | 237 | Ceredigion |
| [SY23 5](https://openpostcodes.uk/SY23%205) | 139 | Ceredigion |
| [SY23 9](https://openpostcodes.uk/SY23%209) | 8 | Ceredigion |