# BT18

3 sectors, 394 postcodes

- **Part of:** [BT](https://openpostcodes.uk/BT)
- **Local authorities:** Ards and North Down, Belfast, Lisburn and Castlereagh

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [BT18 0](https://openpostcodes.uk/BT18%200) | 174 | Ards and North Down |
| [BT18 8](https://openpostcodes.uk/BT18%208) | 4 | — |
| [BT18 9](https://openpostcodes.uk/BT18%209) | 216 | Ards and North Down |