The HA7 4 postcode sector stands on the Greater London and Hertfordshire border.
Currently the HA7 4 sector has 254 postcode units.
HA7 4 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 4 postal sector is the Stanmore Delivery Office.
The area of the HA7 4 postcode sector is 1.95 square miles which is 5.04 square kilometres or 1,245.40 square acres.
The HA7 4 postcode sector is crossed by the M1 motorway.
Explore the ha7 4 HA7 4 postcode sector by using our free interactive map.
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