The postal area HP (Hemel Hempstead) comprises of the following post towns; these towns should be written in capital letters when used in addresses.

Country	Post Town	Postal District
England	Hemel Hempstead	HP1 HP2 HP3
	Berkhamsted	HP4
	Chesham	HP5
	Amersham	HP6 HP7
	Chalfont St. Giles	HP8
	Beaconsfield	HP9 HP10
	High Wycombe	HP11 HP12 HP13 HP14 HP15
	Great Missenden	HP16
	Aylesbury	HP17 HP18 HP19 HP20 HP21 HP22
	Tring	HP23

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