Prisoners' families Prison Visitors' Guides HMYOI Cookham Wood HMYOI Cookham WoodSir Evelyn RoadRochesterKentME1 3LU Currently, YJB deliver visitor services at HMYOI Cookham Wood. Visits information can be found on the Ministry of Justice website or you can ring the main switchboard on 01634 202 500. If you are worried that your loved one is at immediate risk please call the Prisoners’ Families Helpline on 0808 808 2003 (from 9am – 8pm Monday to Friday and 10am – 3pm Saturday and Sunday).