# SL4

7 sectors, 1,373 postcodes

- **Part of:** [SL](https://openpostcodes.uk/SL)
- **Local authorities:** Windsor and Maidenhead, Bracknell Forest, Buckinghamshire, Runnymede, Slough

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SL4 1](https://openpostcodes.uk/SL4%201) | 157 | Windsor and Maidenhead |
| [SL4 2](https://openpostcodes.uk/SL4%202) | 216 | Windsor and Maidenhead |
| [SL4 3](https://openpostcodes.uk/SL4%203) | 238 | Windsor and Maidenhead |
| [SL4 4](https://openpostcodes.uk/SL4%204) | 294 | Windsor and Maidenhead |
| [SL4 5](https://openpostcodes.uk/SL4%205) | 259 | Windsor and Maidenhead |
| [SL4 6](https://openpostcodes.uk/SL4%206) | 177 | Windsor and Maidenhead |
| [SL4 9](https://openpostcodes.uk/SL4%209) | 32 | Windsor and Maidenhead |