Glynneath is a village
It is situated within the SA11 postcode district, which is within the Neath post town.
The full list of postcode districts within the Neath post town is as follows:
The Neath post town is within the Swansea postcode area.
Administrative Ward: Glynneath
Administrative District: Neath Port Talbot
Country: Wales
UK Parliament: Neath