Cancer Research UK Home > Resources & Contacts > Cancer Research Category: Cancers, Research VISIT WEBSITE TELEPHONE EMAIL FACTSHEETS / INFORMATION ADDRESS Cancer Research UK, PO Box 1561, Oxford 0X4 9GZ OPENING HOURS Monday to Friday General Enquiries – 030012310228am to 6pm Weekends 9am – 5pmClosed Mondays 11am to 12pmNurses Helpline – 0808 800 4040Monday to Friday 9am – 5pm DISCLAIMER This page contains links to external charities and associations. Although we review all resources we post, Angor takes no responsibility for the information and any misinformation that may be provided through use of those websites.