Young Hammers join Colchester, Gillingham and the Blues
Town's final Papa John's Trophy Southern Group A opponent have been confirmed following this afternoon's draw.
West Ham U21 complete the group alongside the Blues, Colchester and Gillingham.
The first game of the competition will take place on the week commencing 30 August, with all EFL clubs playing two of their three group stage matches at home.
Further fixture details will be announced in due course.