# TW1

5 sectors, 666 postcodes

- **Part of:** [TW](https://openpostcodes.uk/TW)
- **Local authorities:** Richmond upon Thames, Hounslow

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [TW1 1](https://openpostcodes.uk/TW1%201) | 177 | Richmond upon Thames |
| [TW1 2](https://openpostcodes.uk/TW1%202) | 151 | Richmond upon Thames |
| [TW1 3](https://openpostcodes.uk/TW1%203) | 122 | Richmond upon Thames |
| [TW1 4](https://openpostcodes.uk/TW1%204) | 168 | Richmond upon Thames |
| [TW1 9](https://openpostcodes.uk/TW1%209) | 48 | Hounslow |