The SN3 3 postcode sector is within the county of Wiltshire in the South West of England.
SN3 3 is a postcode sector within the SN3 postcode district which is within the SN Swindon postcode area.
The Royal Mail delivery office for the SN3 3 postal sector is the Hawksworth Delivery Office.
The area of the SN3 3 postcode sector is 0.98 square miles which is 2.55 square kilometres or 629.20 square acres.
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