# SN4

5 sectors, 912 postcodes

- **Part of:** [SN](https://openpostcodes.uk/SN)
- **Local authorities:** Wiltshire, Swindon

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [SN4 0](https://openpostcodes.uk/SN4%200) | 253 | Swindon |
| [SN4 4](https://openpostcodes.uk/SN4%204) | 81 | Wiltshire |
| [SN4 7](https://openpostcodes.uk/SN4%207) | 193 | Wiltshire |
| [SN4 8](https://openpostcodes.uk/SN4%208) | 201 | Wiltshire |
| [SN4 9](https://openpostcodes.uk/SN4%209) | 184 | Swindon |