# SL9

5 sectors, 878 postcodes

- **Part of:** [SL](https://openpostcodes.uk/SL)
- **Local authorities:** Buckinghamshire, Three Rivers

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SL9 0](https://openpostcodes.uk/SL9%200) | 216 | Buckinghamshire |
| [SL9 1](https://openpostcodes.uk/SL9%201) | 20 | Buckinghamshire |
| [SL9 7](https://openpostcodes.uk/SL9%207) | 179 | Buckinghamshire |
| [SL9 8](https://openpostcodes.uk/SL9%208) | 236 | Buckinghamshire |
| [SL9 9](https://openpostcodes.uk/SL9%209) | 227 | Buckinghamshire |