# SO18

7 sectors, 940 postcodes

- **Part of:** [SO](https://openpostcodes.uk/SO)
- **Local authorities:** Southampton, Eastleigh

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SO18 1](https://openpostcodes.uk/SO18%201) | 193 | Southampton |
| [SO18 2](https://openpostcodes.uk/SO18%202) | 237 | Southampton |
| [SO18 3](https://openpostcodes.uk/SO18%203) | 83 | Eastleigh |
| [SO18 4](https://openpostcodes.uk/SO18%204) | 109 | Southampton |
| [SO18 5](https://openpostcodes.uk/SO18%205) | 195 | Southampton |
| [SO18 6](https://openpostcodes.uk/SO18%206) | 75 | Southampton |
| [SO18 9](https://openpostcodes.uk/SO18%209) | 48 | Southampton |