# UB9

3 sectors, 433 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [UB9 4](https://openpostcodes.uk/UB9%204) | 77 | Buckinghamshire |
| [UB9 5](https://openpostcodes.uk/UB9%205) | 154 | Buckinghamshire |
| [UB9 6](https://openpostcodes.uk/UB9%206) | 202 | Hillingdon |