American Red Cross Blood Drive Monday, April 29 - 1 p.m.-5 p.m. The American Red Cross is hosting a blood drive at the Arnold Branch from 1 p.m.-5 p.m. To make an appointment, please call 1-800-RED CROS (1-800-733-2767) or visit redcrossblood.org and enter sponsor code: JeffcoLibraryArnold in the search box at the top left. Walk-ins welcome, but appointments take priority. All donors must present a photo ID.