Sectors in AL8
| Sector | Main place | Postcodes |
|---|---|---|
| AL8 6 | Welwyn Garden City | 213 |
| AL8 7 | Welwyn Garden City | 209 |
Places covered by AL8
- Welwyn Garden City Welwyn Hatfield · 388
- Stanborough Welwyn Hatfield · 14
- Lemsford Welwyn Hatfield · 5
- Ayot Green Welwyn Hatfield · 3
- Cromer Hyde Welwyn Hatfield · 1