Cwm is a village in Blaenau Gwent, Wales.
It is situated within the NP23 postcode district, which is within the Ebbw Vale post town.
NP23 is the only postcode district within the Ebbw Vale post town.
The Ebbw Vale post town is within the Newport postcode area.
Administrative Ward: Cwm
Administrative District: Blaenau Gwent
Country: Wales
UK Parliament: Blaenau Gwent