DYFED-Powys Police are looking for 22-year-old Sean Miller, who has been missing from the Newtown area since Thursday (Feb 7).
Extensive searches are taking place in the area to try to find him.
Residents are urged to check outbuildings, garages and sheds to help us with the search.
Family and friends are concerned for his welfare.
He is 5’9”, slim build, with pale skin, black hair, a beard and moustache.
Anyone who has seen Sean, or knows of his whereabouts, is asked to report information by calling 101.
If you are deaf, hard of hearing or speech impaired text the non-emergency number on 07811 311 908, quoting Ref: DP-20190217-134.