# BT1

7 sectors, 535 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [BT1 1](https://openpostcodes.uk/BT1%201) | 83 | Belfast |
| [BT1 2](https://openpostcodes.uk/BT1%202) | 62 | Belfast |
| [BT1 3](https://openpostcodes.uk/BT1%203) | 71 | Belfast |
| [BT1 4](https://openpostcodes.uk/BT1%204) | 56 | Belfast |
| [BT1 5](https://openpostcodes.uk/BT1%205) | 39 | Belfast |
| [BT1 6](https://openpostcodes.uk/BT1%206) | 63 | Belfast |
| [BT1 9](https://openpostcodes.uk/BT1%209) | 161 | — |