Long Marston
HP23 4 – Dacorum District, Hertfordshire
HP23
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
Marsworth
HP23 4 – Aylesbury Vale District, Buckinghamshire
New Ground
HP23 5 – Dacorum District, Hertfordshire
Lower End
HP23 4 – Aylesbury Vale District, Buckinghamshire
Chivery
HP23 6 – Aylesbury Vale District, Buckinghamshire