17,763
Population
6,683
Households
552
Postcodes
3
Sectors
About SA9
The SA9 postcode district covers Abercraf, Cwmllynfell, Cwmtwrch, Lower Cwmtwrch, Rhiwfawr, Upper Cwmtwrch, Ystalyfera, Ystradgynlais in Powys. It falls under the Swansea post town. The area has a population of approximately 17,763.