Tewin Wood
AL6 0 – East Hertfordshire District, Hertfordshire
AL6
Ayot St Lawrence
AL6 9 – Welwyn Hatfield District, Hertfordshire
The Frythe
AL6 9 – Welwyn Hatfield District, Hertfordshire
Harmer Green
AL6 0 – Welwyn Hatfield District, Hertfordshire
Pottersheath
AL6 9 – North Hertfordshire District, Hertfordshire