# UB3

6 sectors, 984 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [UB3 1](https://openpostcodes.uk/UB3%201) | 214 | Hillingdon |
| [UB3 2](https://openpostcodes.uk/UB3%202) | 278 | Hillingdon |
| [UB3 3](https://openpostcodes.uk/UB3%203) | 140 | Hillingdon |
| [UB3 4](https://openpostcodes.uk/UB3%204) | 198 | Hillingdon |
| [UB3 5](https://openpostcodes.uk/UB3%205) | 123 | Hillingdon |
| [UB3 9](https://openpostcodes.uk/UB3%209) | 31 | Hillingdon |