# SA18

4 sectors, 772 postcodes

- **Part of:** [SA](https://openpostcodes.uk/SA)
- **Local authorities:** Carmarthenshire, Neath Port Talbot, Swansea

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SA18 1](https://openpostcodes.uk/SA18%201) | 227 | Carmarthenshire |
| [SA18 2](https://openpostcodes.uk/SA18%202) | 275 | Carmarthenshire |
| [SA18 3](https://openpostcodes.uk/SA18%203) | 262 | Carmarthenshire |
| [SA18 9](https://openpostcodes.uk/SA18%209) | 8 | Carmarthenshire |