Fochriw is a village in Caerphilly county borough, Wales.
It is situated within the NP22 postcode district, which is within the Tredegar post town.
NP22 is the only postcode district within the Tredegar post town.
The Tredegar post town is within the Newport postcode area.
Administrative Ward: Twyn Carno
Administrative District: Caerphilly
Country: Wales
UK Parliament: Merthyr Tydfil and Rhymney