Trethomas is a village in Caerphilly county borough, Wales.

It is situated within the CF83 postcode district, which is within the Caerphilly post town.

CF83 is the only postcode district within the Caerphilly post town.

The Caerphilly post town is within the Cardiff postcode area.


Key data for Trethomas:

Administrative Ward: Bedwas, Trethomas and Machen

Administrative District: Caerphilly

Country: Wales

UK Parliament: Caerphilly

A map showing the location of Trethomas within the CF83 postcode district