# BL4

5 sectors, 849 postcodes

- **Part of:** [BL](https://openpostcodes.uk/BL)
- **Local authorities:** Bolton

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [BL4 0](https://openpostcodes.uk/BL4%200) | 200 | Bolton |
| [BL4 4](https://openpostcodes.uk/BL4%204) | 4 | Bolton |
| [BL4 7](https://openpostcodes.uk/BL4%207) | 212 | Bolton |
| [BL4 8](https://openpostcodes.uk/BL4%208) | 206 | Bolton |
| [BL4 9](https://openpostcodes.uk/BL4%209) | 227 | Bolton |