The W7 3 postcode sector is within the county of Greater London in the Greater London area of England..
W7 3 is a postcode sector within the W7 postcode district which is within the W London - W postcode area.
The Royal Mail delivery office for the W7 3 postal sector is the Hanwell Sdelivery Office.
The area of the W7 3 postcode sector is 0.70 square miles which is 1.82 square kilometres or 450.40 square acres.
Waterways within the W7 3 postcode sector include the River Brent and Brent
The W7 3 postcode sector is crossed by a railway.
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