# SL1

10 sectors, 1,657 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SL1 0](https://openpostcodes.uk/SL1%200) | 109 | Slough |
| [SL1 1](https://openpostcodes.uk/SL1%201) | 183 | Slough |
| [SL1 2](https://openpostcodes.uk/SL1%202) | 286 | Slough |
| [SL1 3](https://openpostcodes.uk/SL1%203) | 262 | Slough |
| [SL1 4](https://openpostcodes.uk/SL1%204) | 98 | Slough |
| [SL1 5](https://openpostcodes.uk/SL1%205) | 250 | Slough |
| [SL1 6](https://openpostcodes.uk/SL1%206) | 123 | Slough |
| [SL1 7](https://openpostcodes.uk/SL1%207) | 127 | Buckinghamshire |
| [SL1 8](https://openpostcodes.uk/SL1%208) | 162 | Buckinghamshire |
| [SL1 9](https://openpostcodes.uk/SL1%209) | 57 | Slough |