The SA31 3 Carmarthen Postcode Sector
The SA31 3 postcode sector is within the county of Dyfed in Wales.
SA31 3 is a postcode sector within the SA31 postcode district which is within the SA Swansea postcode area.
The Royal Mail delivery office for the SA31 3 postal sector is the Carmarthen Delivery Office.
The area of the SA31 3 postcode sector is 4.26 square miles which is 11.02 square kilometres or 2,724.29 square acres.
Map of the SA31 3 Postcode Sector
Explore the sa31 3 postcode sector by using our free interactive map.