# UB4

3 sectors, 704 postcodes

- **Part of:** [UB](https://openpostcodes.uk/UB)
- **Local authorities:** Hillingdon

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [UB4 0](https://openpostcodes.uk/UB4%200) | 213 | Hillingdon |
| [UB4 8](https://openpostcodes.uk/UB4%208) | 241 | Hillingdon |
| [UB4 9](https://openpostcodes.uk/UB4%209) | 250 | Hillingdon |