The SR3 1 postcode sector is within the county of Tyne & Wear in the North East of England.
SR3 1 is a postcode sector within the SR3 postcode district which is within the SR Sunderland postcode area.
The Royal Mail delivery office for the SR3 1 postal sector is the Sunderland Delivery Office.
The area of the SR3 1 postcode sector is 1.38 square miles which is 3.57 square kilometres or 883.31 square acres.
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