The HA0 3 postcode sector is within the county of Greater London in the Greater London area of England..
HA0 3 is a postcode sector within the HA0 postcode district which is within the HA Harrow postcode area.
The Royal Mail delivery office for the HA0 3 postal sector is the .
The area of the HA0 3 postcode sector is 0.73 square miles which is 1.89 square kilometres or 466.14 square acres.
The HA0 3 postcode sector is crossed by a railway.
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|The HA0 3 Sector is within these Local Authorities||The HA0 3 Sector is within these Counties||
||The HA0 3 Sector is within these Water Company Areas||