The HA7 3 postcode sector stands on the Greater London and Hertfordshire border in the Greater London area of England..
HA7 3 is a postcode sector within the HA7 postcode district which is within the HA Harrow postcode area.
The Royal Mail delivery office for the HA7 3 postal sector is the Stanmore Delivery Office.
The area of the HA7 3 postcode sector is 1.55 square miles which is 4.02 square kilometres or 992.82 square acres.
Explore the ha7 3 postcode sector by using our free interactive map.
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