# WD3

10 sectors, 1,280 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [WD3 0](https://openpostcodes.uk/WD3%200) | 38 | Three Rivers |
| [WD3 1](https://openpostcodes.uk/WD3%201) | 197 | Three Rivers |
| [WD3 2](https://openpostcodes.uk/WD3%202) | 1 | — |
| [WD3 3](https://openpostcodes.uk/WD3%203) | 270 | Three Rivers |
| [WD3 4](https://openpostcodes.uk/WD3%204) | 162 | Three Rivers |
| [WD3 5](https://openpostcodes.uk/WD3%205) | 241 | Three Rivers |
| [WD3 6](https://openpostcodes.uk/WD3%206) | 69 | Three Rivers |
| [WD3 7](https://openpostcodes.uk/WD3%207) | 95 | Three Rivers |
| [WD3 8](https://openpostcodes.uk/WD3%208) | 133 | Three Rivers |
| [WD3 9](https://openpostcodes.uk/WD3%209) | 74 | Three Rivers |