Borehamwood
WD6 1 – Hertsmere District, Hertfordshire
Hertfordshire
Nast Hyde
AL10 9 – Welwyn Hatfield District, Hertfordshire
Napsbury
AL2 1 – St. Albans District, Hertfordshire
Hammond Street
EN7 6 – Broxbourne District, Hertfordshire
Hunsdonbury
SG12 8 – East Hertfordshire District, Hertfordshire
Chiswell Green
AL2 3 – St. Albans District, Hertfordshire
Lower Woodside
AL9 6 – Welwyn Hatfield District, Hertfordshire
Flamstead
AL3 8 – Dacorum District, Hertfordshire
High Wych
CM21 0 – East Hertfordshire District, Hertfordshire
Great Hormead
SG9 0 – East Hertfordshire District, Hertfordshire