# W4

6 sectors, 1,044 postcodes

- **Part of:** [W](https://openpostcodes.uk/W)
- **Local authorities:** Hounslow, Ealing, Hammersmith and Fulham

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [W4 1](https://openpostcodes.uk/W4%201) | 199 | Ealing |
| [W4 2](https://openpostcodes.uk/W4%202) | 223 | Hounslow |
| [W4 3](https://openpostcodes.uk/W4%203) | 250 | Hounslow |
| [W4 4](https://openpostcodes.uk/W4%204) | 139 | Hounslow |
| [W4 5](https://openpostcodes.uk/W4%205) | 212 | Ealing |
| [W4 9](https://openpostcodes.uk/W4%209) | 21 | Hounslow |