The ALCF Help Desk assists users with support requests related to their ALCF projects. The help desk is open from 9 a.m. until 5 p.m. (Central time) Monday through Friday, exclusive of holidays.
866-508-9181 (US-Only Toll-Free Number)
Building 240, 2-D-15/16
Argonne National Laboratory
9700 South Cass Avenue
Argonne, IL 60439
The ALCF Help Desk is located on the second floor of the Theory and Computer Sciences Building (TCS) building 240 at Argonne National Laboratory. Within TCS, our location code is 2-D-21. Please use the information kiosks at the entrance of the building to locate us, or call for assistance.