Hemel Hempstead HP Postcode Wall Map
Hemel Hempstead HP Postcode Wall Map . Dialling code of hemel hempstead is 01442. View the latest postcode information for hp3 postcodes, including age range, housing, gender, marital status, ethnicity, religion, health and employment census data. FileHP postcode area map.svg Wikimedia Commons from commons.wikimedia.org 26 rows hp postcode area. The marlowes centre, marlowes, hemel hempstead, hp1 1dy. Post town of postcode area 'hp' is hemel hempstead.