Bulbourne
HP23 5 – Dacorum District, Hertfordshire
HP23
Astrope
HP23 4 – Dacorum District, Hertfordshire
Barley End
HP23 5 – Aylesbury Vale District, Buckinghamshire
Pitstone Hill
HP23 5 – Aylesbury Vale District, Buckinghamshire
Long Marston
HP23 4 – Dacorum District, Hertfordshire
Little Tring
HP23 4 – Dacorum District, Hertfordshire
Tring Wharf
HP23 5 – Dacorum District, Hertfordshire
Tring
HP23 4 – Dacorum District, Hertfordshire
Wilstone Green
HP23 4 – Dacorum District, Hertfordshire
Hastoe
HP23 6 – Dacorum District, Hertfordshire