The BN3 7 postcode sector is within the county of East Sussex in the South East of England.
BN3 7 is a postcode sector within the BN3 postcode district which is within the BN Brighton postcode area.
The Royal Mail delivery office for the BN3 7 postal sector is the Hove Delivery Office.
The area of the BN3 7 postcode sector is 0.98 square miles which is 2.53 square kilometres or 626.34 square acres.
The BN3 7 postcode sector is crossed by a railway.
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