The HP3 9 postcode sector is within the county of Hertfordshire.
Currently the HP3 9 sector has 318 postcode units.
HP3 9 is a postcode sector within the HP3 postcode district which is within the HP Hemel Hempstead postcode area.
The Royal Mail delivery office for the HP3 9 postal sector is the Hemel Hempstead Delivery Office.
The area of the HP3 9 postcode sector is 1.40 square miles which is 3.62 square kilometres or 894.00 square acres.
Waterways within the HP3 9 postcode sector include the River Gade and Grand Union Canal
Explore the hp3 9 HP3 9 postcode sector by using our free interactive map.
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