# BL7

3 sectors, 507 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [BL7 0](https://openpostcodes.uk/BL7%200) | 176 | Blackburn with Darwen |
| [BL7 8](https://openpostcodes.uk/BL7%208) | 34 | Blackburn with Darwen |
| [BL7 9](https://openpostcodes.uk/BL7%209) | 297 | Bolton |