BT48
6 sectors, 1,192 postcodes
Derry City and Strabane
| Sector | Postcodes | Local authority |
|---|
| BT48 0 | 246 | Derry City and Strabane |
| BT48 4 | 38 | Derry City and Strabane |
| BT48 6 | 170 | Derry City and Strabane |
| BT48 7 | 232 | Derry City and Strabane |
| BT48 8 | 294 | Derry City and Strabane |
| BT48 9 | 212 | Derry City and Strabane |