# B1

3 sectors, 319 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [B1 1](https://openpostcodes.uk/B1%201) | 125 | Birmingham |
| [B1 2](https://openpostcodes.uk/B1%202) | 102 | Birmingham |
| [B1 3](https://openpostcodes.uk/B1%203) | 92 | Birmingham |