# SO20

2 sectors, 346 postcodes

- **Part of:** [SO](https://openpostcodes.uk/SO)
- **Local authorities:** Test Valley, Winchester

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SO20 6](https://openpostcodes.uk/SO20%206) | 198 | Test Valley |
| [SO20 8](https://openpostcodes.uk/SO20%208) | 148 | Test Valley |