The SA11 4 postcode sector is within the county of West Glamorgan in Wales.
SA11 4 is a postcode sector within the SA11 postcode district which is within the SA Swansea postcode area.
The Royal Mail delivery office for the SA11 4 postal sector is the Neath Delivery Office.
The area of the SA11 4 postcode sector is 15.26 square miles which is 39.52 square kilometres or 9,766.34 square acres.
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