United Blood Services— Central Coast will host a blood drive from 2 to 6 p.m. Wednesday, Dec. 27 at the Simi Valley Community Center.

Another 2,538 units of blood are needed before the end of the month to maintain a healthy supply.

For information or to schedule an appointment to donate, call (800) 715-3699 or visit www.unitedbloodservices.org/ centralcoast.