Yes, ALTERED STATES is definitely a goth band because most of their albums belong to the Gothic Rock and Deathrock genres, which are among the core subgenres of goth music. Albums like Is Anyone Out There?, Designer Gene Pool, and Xv.Iii.Mmi are examples of their goth sound.
ALTERED STATES is located in United Kingdom, England, London, active in 1985 — 2006. You can find more information about ALTERED STATES on their GothDB band page.
Want to check if another band is goth? Search other bands.