# BT81

1 sector, 296 postcodes

- **Part of:** [BT](https://openpostcodes.uk/BT)
- **Local authorities:** Derry City and Strabane, Fermanagh and Omagh

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [BT81 7](https://openpostcodes.uk/BT81%207) | 296 | Derry City and Strabane |